CVE-2021-28507 — MEDIUM (5.5)

Q: How severe is CVE-2021-28507?

CVE-2021-28507 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2021-28507?

Check the references section above for vendor advisories and patch information. Affected products include: Arista Eos.

Vulnerability Description

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.

CVSS Score

5.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Arista	Eos	>= 4.23.0, <= 4.23.9m

Related Weaknesses (CWE)

CWE-284

References

https://www.arista.com/en/support/advisories-notices/security-advisories/13449-sExploitMitigationPatch
https://www.arista.com/en/support/advisories-notices/security-advisories/13449-sExploitMitigationPatch

FAQ

What is CVE-2021-28507?

CVE-2021-28507 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 deni...

How severe is CVE-2021-28507?

CVE-2021-28507 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-28507?

Check the references section above for vendor advisories and patch information. Affected products include: Arista Eos.