Home/CVE/A vulnerability exists in Arista’s Cloud EOS VM / vEOS 4.23.2M and below releases in the 4.23.x train, 4.22.4M and bel
CVE

CVE-2020-11622

A vulnerability exists in Arista’s Cloud EOS VM / vEOS 4.23.2M and below releases in the 4.23.x train, 4.22.4M and bel

A vulnerability exists in Arista’s Cloud EOS VM / vEOS 4.23.2M and below releases in the 4.23.x train, 4.22.4M and below releases in the 4.22.x train, 4.21.3M to 4.21.9M releases in the 4.21.x train, 4.21.3FX-7368., 4.21.4-FCRFX., 4.21.4.1, 4.21.7.1, 4.22.2.0.1, 4.22.2.2.1, 4.22.3.1, and 4.23.2.1 Router code in a scenario where TCP MSS options are configured.

HIGH · CVSS 7.5 EPSS 0.00345
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
▤

Affected Products & Versions

8
arista cloudeos>= 4.21.3m and <= 4.21.9m
arista cloudeos>= 4.22.0 and <= 4.22.4m
arista cloudeos>= 4.23.0 and <= 4.23.2m
arista cloudeosall versions
arista veos>= 4.21.3m and <= 4.21.9m
arista veos>= 4.22.0 and <= 4.22.4m
arista veos>= 4.23.0 and <= 4.23.2m
arista veosall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD10 Jun 2020 · 08:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.arista.com/en/support/advisories-noticesVendor Advisory
https://www.arista.com/en/support/advisories-notices/security-advisories/11195-security-advisory-49MitigationVendor Advisory
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