An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device.
CVE-2021-28506

9.1CRITICAL

Key Information:

Vendor

Arista Networks

Status
Eos
Vendor
CVE Published:
14 January 2022

What is CVE-2021-28506?

An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device.

Affected Version(s)

EOS 4.26.2F <= 4.26.0

EOS 4.25.5.1M <= 4.25.5

EOS 4.25.4M <= 4.25.4

References

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

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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