TerminAttr streams MACsec sensitive data in clear text to other authorized users in CVP
CVE-2021-28509

6.1MEDIUM

Key Information:

Vendor

Arista Networks

Status
Arista Eos
Arista Terminattr
Vendor
CVE Published:
26 May 2022

What is CVE-2021-28509?

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.

Affected Version(s)

Arista EOS 4.23 <= 4.23.11

Arista EOS 4.24 <= 4.24.9

Arista EOS 4.25 <= 4.25.7

References

https://www.arista.com/en/support/advisories-notices/secu...
x_refsource_MISC

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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