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Vulnerability details: VCID-mqr4-3cbw-aaag
Vulnerability ID VCID-mqr4-3cbw-aaag
Aliases CVE-2021-27919
Summary archive/zip in Go 1.16.x before 1.16.1 allows attackers to cause a denial of service (panic) upon attempted use of the Reader.Open API for a ZIP archive in which ../ occurs at the beginning of any filename.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-20 Improper Input Validation
CWE-125 Out-of-bounds Read
System Score Found at
cvssv3 5.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-27919.json
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
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epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00079 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
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epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
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epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
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epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00173 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
epss 0.00408 https://api.first.org/data/v1/epss?cve=CVE-2021-27919
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=1937909
cvssv3.1 5.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2021-27919
cvssv3 5.5 https://nvd.nist.gov/vuln/detail/CVE-2021-27919
cvssv3.1 5.5 https://nvd.nist.gov/vuln/detail/CVE-2021-27919
archlinux Low https://security.archlinux.org/AVG-1668
cvssv3.1 5.3 https://security.gentoo.org/glsa/202208-02
generic_textual MODERATE https://security.gentoo.org/glsa/202208-02
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-27919.json
https://api.first.org/data/v1/epss?cve=CVE-2021-27919
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://groups.google.com/g/golang-announce/c/MfiLYjG-RAw
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2MU47VKTNXX33ZDLTI2ORRUY3KLJKU6G/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HM7U5JNS5WU66Q3S26PFIU2ITB2ATTQ4/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2MU47VKTNXX33ZDLTI2ORRUY3KLJKU6G/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HM7U5JNS5WU66Q3S26PFIU2ITB2ATTQ4/
https://security.gentoo.org/glsa/202208-02
1937909 https://bugzilla.redhat.com/show_bug.cgi?id=1937909
AVG-1668 https://security.archlinux.org/AVG-1668
cpe:2.3:a:golang:go:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
CVE-2021-27919 https://nvd.nist.gov/vuln/detail/CVE-2021-27919
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-27919.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

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H 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)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2021-27919
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-27919
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:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-27919
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://security.gentoo.org/glsa/202208-02
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
Exploit Prediction Scoring System (EPSS)
Percentile 0.31027
EPSS Score 0.00068
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.