CVE-2021-28494 — CRITICAL (9.6)

Q: How severe is CVE-2021-28494?

CVE-2021-28494 has been rated CRITICAL with a CVSS base score of 9.6/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2021-28494?

Check the references section above for vendor advisories and patch information. Affected products include: Arista Metamako Operating System, Arista 7130.

Vulnerability Description

In Arista's MOS (Metamako Operating System) software which is supported on the 7130 product line, under certain conditions, authentication is bypassed by unprivileged users who are accessing the Web UI. This issue affects: Arista Metamako Operating System MOS-0.34.0 and prior releases

CVSS Score

9.6

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Arista	Metamako Operating System	<= 0.34.0
Arista	7130	-

Related Weaknesses (CWE)

CWE-287

References

https://www.arista.com/en/support/advisories-notices/security-advisories/12916-sMitigationVendor Advisory
https://www.arista.com/en/support/advisories-notices/security-advisories/12916-sMitigationVendor Advisory

FAQ

What is CVE-2021-28494?

CVE-2021-28494 is a vulnerability with a CVSS score of 9.6 (CRITICAL). In Arista's MOS (Metamako Operating System) software which is supported on the 7130 product line, under certain conditions, authentication is bypassed by unprivileged users who are accessing the Web U...

How severe is CVE-2021-28494?

CVE-2021-28494 has been rated CRITICAL with a CVSS base score of 9.6/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-28494?

Check the references section above for vendor advisories and patch information. Affected products include: Arista Metamako Operating System, Arista 7130.