CVE-2021-28509
MEDIUMArista TerminAttr < 1.10.11 and EOS 4.23-4.23.11 - Cleartext Transmission of MACsec Sensitive Data
Title source: llmDescription
This advisory documents the impact of an internally found vulnerability in Arista EOS state streaming telemetry agent TerminAttr and OpenConfig transport protocols. The impact of this vulnerability is that, in certain conditions, TerminAttr might leak MACsec sensitive data in clear text in CVP to other authorized users, which could cause MACsec traffic to be decrypted or modified by other authorized users on the device.
References (1)
Core 1
Core References
Exploit, Vendor Advisory x_refsource_misc
https://www.arista.com/en/support/advisories-notices/security-advisories/15484-security-advisory-0077
Scores
CVSS v3
6.1
EPSS
0.0044
EPSS Percentile
34.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N
Details
CWE
CWE-319
CWE-255
Status
published
Products (2)
arista/eos
4.23 - 4.23.11
arista/terminattr
< 1.10.11
Published
May 26, 2022
Tracked Since
Feb 18, 2026