An issue has recently been discovered in Arista EOS where, under certain conditions, the service ACL configured for OpenConfig gNOI and OpenConfig RESTCONF might be bypassed, which results in the denied requests being forwarded to the agent.
CVE-2021-28507

5.5MEDIUM

Key Information:

Vendor

Arista Networks

Status
Eos
Vendor
CVE Published:
14 January 2022

What is CVE-2021-28507?

An issue has recently been discovered in Arista EOS where, under certain conditions, the service ACL configured for OpenConfig gNOI and OpenConfig RESTCONF might be bypassed, which results in the denied requests being forwarded to the agent.

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Affected Version(s)

EOS 4.22.x

EOS 4.26.2F <= 4.26.0

EOS 4.25.5.1M <= 4.25.5

References

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

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
High
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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