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Vulnerability details: VCID-q75c-z771-aaan
Vulnerability ID VCID-q75c-z771-aaan
Aliases CVE-2020-10739
Summary CVE-2020-10739 istio/envoy: crafted packet allows remote attacker to cause denial of service
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-476 NULL Pointer Dereference
System Score Found at
rhas Important https://access.redhat.com/errata/RHSA-2020:2148
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-10739.json
epss 0.00245 https://api.first.org/data/v1/epss?cve=CVE-2020-10739
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epss 0.00245 https://api.first.org/data/v1/epss?cve=CVE-2020-10739
epss 0.00349 https://api.first.org/data/v1/epss?cve=CVE-2020-10739
epss 0.00349 https://api.first.org/data/v1/epss?cve=CVE-2020-10739
epss 0.00349 https://api.first.org/data/v1/epss?cve=CVE-2020-10739
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epss 0.00615 https://api.first.org/data/v1/epss?cve=CVE-2020-10739
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epss 0.01322 https://api.first.org/data/v1/epss?cve=CVE-2020-10739
rhbs high https://bugzilla.redhat.com/show_bug.cgi?id=1833184
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2020-10739
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2020-10739
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2020-10739
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-10739.json
https://api.first.org/data/v1/epss?cve=CVE-2020-10739
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10739
https://github.com/istio/envoy/commit/8788a3cf255b647fd14e6b5e2585abaaedb28153#diff-fcf2cf5dd389b5285f882ba4a8708633
https://istio.io/news/security/istio-security-2020-005/
1833184 https://bugzilla.redhat.com/show_bug.cgi?id=1833184
cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*
CVE-2020-10739 https://nvd.nist.gov/vuln/detail/CVE-2020-10739
ISTIO-SECURITY-2020-005 https://istio.io/latest/news/security/ISTIO-SECURITY-2020-005/
RHSA-2020:2148 https://access.redhat.com/errata/RHSA-2020:2148
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-10739.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: AV:N/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-10739
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:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-10739
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:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-10739
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 0.63742
EPSS Score 0.00245
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.