vulnerability

Security Advisory 0049

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Severity

CVSS

(AV:N/AC:M/Au:N/C:N/I:N/A:P)

Published

Jun 3, 2020

Added

Sep 4, 2024

Modified

Jan 14, 2026

Description

This security advisory documents a vulnerability in CloudEOS/vEOS Router software that can impact traffic forwarding if a specific malformed TCP packet is delivered over the data plane when TCP MSS options are configured. The vulnerability does not affect EOS running on physical switches, routers, or other Arista products.

Solution

upgrade-solution-cve-2020-11622

References

CVE-2020-11622
https://attackerkb.com/topics/CVE-2020-11622
https://www.arista.com//en/support/advisories-notices/security-advisory/11195-security-advisory-49

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