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Vulnerability details: VCID-fc5d-duuv-aaaa
Vulnerability ID VCID-fc5d-duuv-aaaa
Aliases CVE-2020-8664
Summary CVE-2020-8664 envoy: Incorrect Access Control when using SDS with Combined Validation Context
Status Published
Exploitability 0.5
Weighted Severity 6.6
Risk 3.3
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-287 Improper Authentication
CWE-284 Improper Access Control
System Score Found at
cvssv3 7.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-8664.json
epss 0.00081 https://api.first.org/data/v1/epss?cve=CVE-2020-8664
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epss 0.00263 https://api.first.org/data/v1/epss?cve=CVE-2020-8664
epss 0.00263 https://api.first.org/data/v1/epss?cve=CVE-2020-8664
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epss 0.00403 https://api.first.org/data/v1/epss?cve=CVE-2020-8664
epss 0.00403 https://api.first.org/data/v1/epss?cve=CVE-2020-8664
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epss 0.00403 https://api.first.org/data/v1/epss?cve=CVE-2020-8664
epss 0.00403 https://api.first.org/data/v1/epss?cve=CVE-2020-8664
epss 0.00403 https://api.first.org/data/v1/epss?cve=CVE-2020-8664
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epss 0.00403 https://api.first.org/data/v1/epss?cve=CVE-2020-8664
epss 0.00403 https://api.first.org/data/v1/epss?cve=CVE-2020-8664
epss 0.00513 https://api.first.org/data/v1/epss?cve=CVE-2020-8664
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=1802542
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2020-8664
cvssv3 5.3 https://nvd.nist.gov/vuln/detail/CVE-2020-8664
cvssv3.1 5.3 https://nvd.nist.gov/vuln/detail/CVE-2020-8664
Reference id Reference type URL
https://access.redhat.com/errata/RHSA-2020:0734
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-8664.json
https://api.first.org/data/v1/epss?cve=CVE-2020-8664
https://github.com/envoyproxy/envoy/security/advisories/GHSA-3x9m-pgmg-xpx8
https://www.envoyproxy.io/docs/envoy/v1.13.1/intro/version_history
1802542 https://bugzilla.redhat.com/show_bug.cgi?id=1802542
cpe:2.3:a:cncf:envoy:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:cncf:envoy:*:*:*:*:*:*:*:*
CVE-2020-8664 https://nvd.nist.gov/vuln/detail/CVE-2020-8664
ISTIO-SECURITY-2020-003 https://istio.io/latest/news/security/ISTIO-SECURITY-2020-003/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-8664.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:P/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-8664
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:L/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-8664
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://nvd.nist.gov/vuln/detail/CVE-2020-8664
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 0.35685
EPSS Score 0.00081
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.