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TI-2020-09323 Aliases CVE-2020-11622GHSA-536w-ccgx-f4pc

A vulnerability exists in Arista’s Cloud EOS VM / vEOS 4.23.2M and below releases in the…

Priority LOW 35Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.01309 70th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 18

CPEVersionsRoleVendor
cpe:2.3:a:arista:cloudeos:*:*:*:*:*:*:*:*4.21.3m – 4.21.9m; 4.22.0 – 4.22.4m; 4.23.0 – 4.23.2mVulnerableArista
cpe:2.3:a:arista:cloudeos:4.21.3fx-7368:*:*:*:*:*:*:*4.21.3fx-7368VulnerableArista
cpe:2.3:a:arista:cloudeos:4.21.4-fcrfx:*:*:*:*:*:*:*4.21.4-fcrfxVulnerableArista
cpe:2.3:a:arista:cloudeos:4.21.4.1:*:*:*:*:*:*:*4.21.4.1VulnerableArista
cpe:2.3:a:arista:cloudeos:4.21.7.1:*:*:*:*:*:*:*4.21.7.1VulnerableArista
cpe:2.3:a:arista:cloudeos:4.22.2.0.1:*:*:*:*:*:*:*4.22.2.0.1VulnerableArista
cpe:2.3:a:arista:cloudeos:4.22.2.2.1:*:*:*:*:*:*:*4.22.2.2.1VulnerableArista
cpe:2.3:a:arista:cloudeos:4.22.3.1:*:*:*:*:*:*:*4.22.3.1VulnerableArista
cpe:2.3:a:arista:cloudeos:4.23.2.1:*:*:*:*:*:*:*4.23.2.1VulnerableArista
cpe:2.3:a:arista:veos:*:*:*:*:*:*:*:*4.21.3m – 4.21.9m; 4.22.0 – 4.22.4m; 4.23.0 – 4.23.2mVulnerableArista
  • cpe:2.3:a:arista:cloudeos:*:*:*:*:*:*:*:* Versions 4.21.3m – 4.21.9m; 4.22.0 – 4.22.4m; 4.23.0 – 4.23.2m Vulnerable ·Arista
  • cpe:2.3:a:arista:cloudeos:4.21.3fx-7368:*:*:*:*:*:*:* Versions 4.21.3fx-7368 Vulnerable ·Arista
  • cpe:2.3:a:arista:cloudeos:4.21.4-fcrfx:*:*:*:*:*:*:* Versions 4.21.4-fcrfx Vulnerable ·Arista
  • cpe:2.3:a:arista:cloudeos:4.21.4.1:*:*:*:*:*:*:* Versions 4.21.4.1 Vulnerable ·Arista
  • cpe:2.3:a:arista:cloudeos:4.21.7.1:*:*:*:*:*:*:* Versions 4.21.7.1 Vulnerable ·Arista
  • cpe:2.3:a:arista:cloudeos:4.22.2.0.1:*:*:*:*:*:*:* Versions 4.22.2.0.1 Vulnerable ·Arista
  • cpe:2.3:a:arista:cloudeos:4.22.2.2.1:*:*:*:*:*:*:* Versions 4.22.2.2.1 Vulnerable ·Arista
  • cpe:2.3:a:arista:cloudeos:4.22.3.1:*:*:*:*:*:*:* Versions 4.22.3.1 Vulnerable ·Arista
  • cpe:2.3:a:arista:cloudeos:4.23.2.1:*:*:*:*:*:*:* Versions 4.23.2.1 Vulnerable ·Arista
  • cpe:2.3:a:arista:veos:*:*:*:*:*:*:*:* Versions 4.21.3m – 4.21.9m; 4.22.0 – 4.22.4m; 4.23.0 – 4.23.2m Vulnerable ·Arista
Show 8 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:arista:veos:4.21.3fx-7368:*:*:*:*:*:*:*4.21.3fx-7368VulnerableArista
cpe:2.3:a:arista:veos:4.21.4-fcrfx:*:*:*:*:*:*:*4.21.4-fcrfxVulnerableArista
cpe:2.3:a:arista:veos:4.21.4.1:*:*:*:*:*:*:*4.21.4.1VulnerableArista
cpe:2.3:a:arista:veos:4.21.7.1:*:*:*:*:*:*:*4.21.7.1VulnerableArista
cpe:2.3:a:arista:veos:4.22.2.0.1:*:*:*:*:*:*:*4.22.2.0.1VulnerableArista
cpe:2.3:a:arista:veos:4.22.2.2.1:*:*:*:*:*:*:*4.22.2.2.1VulnerableArista
cpe:2.3:a:arista:veos:4.22.3.1:*:*:*:*:*:*:*4.22.3.1VulnerableArista
cpe:2.3:a:arista:veos:4.23.2.1:*:*:*:*:*:*:*4.23.2.1VulnerableArista
  • cpe:2.3:a:arista:veos:4.21.3fx-7368:*:*:*:*:*:*:* Versions 4.21.3fx-7368 Vulnerable ·Arista
  • cpe:2.3:a:arista:veos:4.21.4-fcrfx:*:*:*:*:*:*:* Versions 4.21.4-fcrfx Vulnerable ·Arista
  • cpe:2.3:a:arista:veos:4.21.4.1:*:*:*:*:*:*:* Versions 4.21.4.1 Vulnerable ·Arista
  • cpe:2.3:a:arista:veos:4.21.7.1:*:*:*:*:*:*:* Versions 4.21.7.1 Vulnerable ·Arista
  • cpe:2.3:a:arista:veos:4.22.2.0.1:*:*:*:*:*:*:* Versions 4.22.2.0.1 Vulnerable ·Arista
  • cpe:2.3:a:arista:veos:4.22.2.2.1:*:*:*:*:*:*:* Versions 4.22.2.2.1 Vulnerable ·Arista
  • cpe:2.3:a:arista:veos:4.22.3.1:*:*:*:*:*:*:* Versions 4.22.3.1 Vulnerable ·Arista
  • cpe:2.3:a:arista:veos:4.23.2.1:*:*:*:*:*:*:* Versions 4.23.2.1 Vulnerable ·Arista

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-11622
  2. 2026-10-03 Alias added: GHSA-536w-ccgx-f4pc

References

Advisory 2

  • TI-2023-10133 Improper access control in Arista Terminattr CVSS 3.1HIGH 8.8
  • TI-2023-10164 Uncontrolled resource consumption in Arista EOS CVSS 3.1HIGH 7.5
  • TI-2023-10134 Out-of-bounds read in Arista EOS CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences