What is CVE-2020-11622?

CVE-2020-11622 is a high-severity vulnerability in Arista Cloudeos. CVSS score: 7.5/10. Published 2020-06-10.

How severe is CVE-2020-11622?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Arista Cloudeos

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 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.

EPSS: 0.013 (67.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Arista Cloudeos — versions 4.21.3fx-7368, 4.21.4-fcrfx, 4.21.4.1
Arista Veos — versions 4.21.3fx-7368, 4.21.4-fcrfx, 4.21.4.1
N/a — versions n/a

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (x_refsource_CONFIRM, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2020-11622?: CVE-2020-11622 is a high-severity vulnerability in Arista Cloudeos. CVSS score: 7.5/10. Published 2020-06-10.
How severe is CVE-2020-11622?: High severity. CVSS v3 base score is 7.5 out of 10.