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Vulnerability details: VCID-zx5n-czhy-6qgu
Vulnerability ID VCID-zx5n-czhy-6qgu
Aliases CVE-2019-12387
GHSA-6cc5-2vg4-cc7m
PYSEC-2019-128
Summary In Twisted before 19.2.1, twisted.web did not validate or sanitize URIs or HTTP methods, allowing an attacker to inject invalid characters such as CRLF.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (5)
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CWE-93 Improper Neutralization of CRLF Sequences ('CRLF Injection')
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-113 Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')
System Score Found at
cvssv3.1 6.1 http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00030.html
cvssv4 5.3 http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00030.html
generic_textual MODERATE http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00030.html
cvssv3.1 6.1 http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00042.html
cvssv4 5.3 http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00042.html
generic_textual MODERATE http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00042.html
cvssv3 6.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-12387.json
epss 0.00521 https://api.first.org/data/v1/epss?cve=CVE-2019-12387
epss 0.00521 https://api.first.org/data/v1/epss?cve=CVE-2019-12387
epss 0.00521 https://api.first.org/data/v1/epss?cve=CVE-2019-12387
epss 0.00521 https://api.first.org/data/v1/epss?cve=CVE-2019-12387
epss 0.00521 https://api.first.org/data/v1/epss?cve=CVE-2019-12387
epss 0.00521 https://api.first.org/data/v1/epss?cve=CVE-2019-12387
epss 0.00521 https://api.first.org/data/v1/epss?cve=CVE-2019-12387
epss 0.00521 https://api.first.org/data/v1/epss?cve=CVE-2019-12387
epss 0.00521 https://api.first.org/data/v1/epss?cve=CVE-2019-12387
epss 0.00521 https://api.first.org/data/v1/epss?cve=CVE-2019-12387
epss 0.00521 https://api.first.org/data/v1/epss?cve=CVE-2019-12387
epss 0.00521 https://api.first.org/data/v1/epss?cve=CVE-2019-12387
epss 0.00521 https://api.first.org/data/v1/epss?cve=CVE-2019-12387
epss 0.00521 https://api.first.org/data/v1/epss?cve=CVE-2019-12387
cvssv3 6.1 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 6.1 https://github.com/advisories/GHSA-6cc5-2vg4-cc7m
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-6cc5-2vg4-cc7m
cvssv4 5.3 https://github.com/advisories/GHSA-6cc5-2vg4-cc7m
generic_textual MODERATE https://github.com/advisories/GHSA-6cc5-2vg4-cc7m
cvssv3.1 6.1 https://github.com/pypa/advisory-database/tree/main/vulns/twisted/PYSEC-2019-128.yaml
cvssv4 5.3 https://github.com/pypa/advisory-database/tree/main/vulns/twisted/PYSEC-2019-128.yaml
generic_textual MODERATE https://github.com/pypa/advisory-database/tree/main/vulns/twisted/PYSEC-2019-128.yaml
cvssv3.1 6.1 https://github.com/twisted/twisted
cvssv4 5.3 https://github.com/twisted/twisted
generic_textual MODERATE https://github.com/twisted/twisted
cvssv3.1 6.1 https://github.com/twisted/twisted/commit/6c61fc4503ae39ab8ecee52d10f10ee2c371d7e2
cvssv4 5.3 https://github.com/twisted/twisted/commit/6c61fc4503ae39ab8ecee52d10f10ee2c371d7e2
generic_textual MODERATE https://github.com/twisted/twisted/commit/6c61fc4503ae39ab8ecee52d10f10ee2c371d7e2
cvssv3.1 6.1 https://labs.twistedmatrix.com/2019/06/twisted-1921-released.html
cvssv4 5.3 https://labs.twistedmatrix.com/2019/06/twisted-1921-released.html
generic_textual MODERATE https://labs.twistedmatrix.com/2019/06/twisted-1921-released.html
cvssv3.1 6.1 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2G5RPDQ4BNB336HL6WW5ZJ344MAWNN7N
cvssv4 5.3 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2G5RPDQ4BNB336HL6WW5ZJ344MAWNN7N
generic_textual MODERATE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2G5RPDQ4BNB336HL6WW5ZJ344MAWNN7N
cvssv3.1 6.1 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2G5RPDQ4BNB336HL6WW5ZJ344MAWNN7N
cvssv4 5.3 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2G5RPDQ4BNB336HL6WW5ZJ344MAWNN7N
generic_textual MODERATE https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2G5RPDQ4BNB336HL6WW5ZJ344MAWNN7N
cvssv3.1 6.1 https://nvd.nist.gov/vuln/detail/CVE-2019-12387
cvssv4 5.3 https://nvd.nist.gov/vuln/detail/CVE-2019-12387
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2019-12387
cvssv3.1 6.1 https://twistedmatrix.com/pipermail/twisted-python/2019-June/032352.html
cvssv4 5.3 https://twistedmatrix.com/pipermail/twisted-python/2019-June/032352.html
generic_textual MODERATE https://twistedmatrix.com/pipermail/twisted-python/2019-June/032352.html
cvssv3.1 6.1 https://usn.ubuntu.com/4308-1
cvssv4 5.3 https://usn.ubuntu.com/4308-1
generic_textual MODERATE https://usn.ubuntu.com/4308-1
cvssv3.1 6.1 https://usn.ubuntu.com/4308-2
cvssv4 5.3 https://usn.ubuntu.com/4308-2
generic_textual MODERATE https://usn.ubuntu.com/4308-2
cvssv3.1 6.1 https://www.oracle.com/security-alerts/cpuapr2020.html
cvssv4 5.3 https://www.oracle.com/security-alerts/cpuapr2020.html
generic_textual MODERATE https://www.oracle.com/security-alerts/cpuapr2020.html
Reference id Reference type URL
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00030.html
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00042.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-12387.json
https://api.first.org/data/v1/epss?cve=CVE-2019-12387
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12387
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/advisories/GHSA-6cc5-2vg4-cc7m
https://github.com/pypa/advisory-database/tree/main/vulns/twisted/PYSEC-2019-128.yaml
https://github.com/twisted/twisted
https://github.com/twisted/twisted/commit/6c61fc4503ae39ab8ecee52d10f10ee2c371d7e2
https://labs.twistedmatrix.com/2019/06/twisted-1921-released.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2G5RPDQ4BNB336HL6WW5ZJ344MAWNN7N
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2G5RPDQ4BNB336HL6WW5ZJ344MAWNN7N
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2G5RPDQ4BNB336HL6WW5ZJ344MAWNN7N/
https://twistedmatrix.com/pipermail/twisted-python/2019-June/032352.html
https://usn.ubuntu.com/4308-1
https://usn.ubuntu.com/4308-1/
https://usn.ubuntu.com/4308-2
https://usn.ubuntu.com/4308-2/
https://www.oracle.com/security-alerts/cpuapr2020.html
1719501 https://bugzilla.redhat.com/show_bug.cgi?id=1719501
930389 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=930389
CVE-2019-12387 https://nvd.nist.gov/vuln/detail/CVE-2019-12387
RHSA-2020:1091 https://access.redhat.com/errata/RHSA-2020:1091
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00030.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N Found at http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00030.html
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00042.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N Found at http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00042.html
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

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Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-12387.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

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physical

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Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/advisories/GHSA-6cc5-2vg4-cc7m
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N Found at https://github.com/advisories/GHSA-6cc5-2vg4-cc7m
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/pypa/advisory-database/tree/main/vulns/twisted/PYSEC-2019-128.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N Found at https://github.com/pypa/advisory-database/tree/main/vulns/twisted/PYSEC-2019-128.yaml
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/twisted/twisted
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N Found at https://github.com/twisted/twisted
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/twisted/twisted/commit/6c61fc4503ae39ab8ecee52d10f10ee2c371d7e2
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N Found at https://github.com/twisted/twisted/commit/6c61fc4503ae39ab8ecee52d10f10ee2c371d7e2
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://labs.twistedmatrix.com/2019/06/twisted-1921-released.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N Found at https://labs.twistedmatrix.com/2019/06/twisted-1921-released.html
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2G5RPDQ4BNB336HL6WW5ZJ344MAWNN7N
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2G5RPDQ4BNB336HL6WW5ZJ344MAWNN7N
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2G5RPDQ4BNB336HL6WW5ZJ344MAWNN7N
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

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physical

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unchanged

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N Found at https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2G5RPDQ4BNB336HL6WW5ZJ344MAWNN7N
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2019-12387
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N Found at https://nvd.nist.gov/vuln/detail/CVE-2019-12387
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://twistedmatrix.com/pipermail/twisted-python/2019-June/032352.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N Found at https://twistedmatrix.com/pipermail/twisted-python/2019-June/032352.html
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://usn.ubuntu.com/4308-1
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N Found at https://usn.ubuntu.com/4308-1
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://usn.ubuntu.com/4308-2
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N Found at https://usn.ubuntu.com/4308-2
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://www.oracle.com/security-alerts/cpuapr2020.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N Found at https://www.oracle.com/security-alerts/cpuapr2020.html
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.66768
EPSS Score 0.00521
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:42:01.047613+00:00 Pypa Importer Import https://github.com/pypa/advisory-database/blob/main/vulns/twisted/PYSEC-2019-128.yaml 38.0.0