CVE-2020-11622

moderate-risk

Published 2020-06-10

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.

Do I need to act?

0.34% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 7.5/10 High

NETWORK / LOW complexity

Affected Products (18)

Cloudeos

Veos

Affected Vendors

Arista

References (4)

Vendor Advisory https://www.arista.com/en/support/advisories-notices

Mitigation https://www.arista.com/en/support/advisories-notices/security-advisories/11195-s...

Vendor Advisory https://www.arista.com/en/support/advisories-notices

Mitigation https://www.arista.com/en/support/advisories-notices/security-advisories/11195-s...

/ 100

moderate-risk

Severity 26/34 · High

Exploitability 1/34 · Minimal

Exposure 19/34 · Moderate