Vulnerability Monitor

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CVE-2021-28494

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

Published

2021-09-09T13:15:09.013

Last Modified

2024-11-21T05:59:46.630

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.6 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.0

Impact Score

6.4

Weaknesses

Type: Secondary
CWE-287
Type: Primary
CWE-287

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	arista	metamako_operating_system	≤ 0.34.0	Yes
Hardware	arista	7130	-	No

References

https://www.arista.com/en/support/advisories-notices/security-advisories/12916-security-advisory-68 Mitigation, Vendor Advisory ([email protected])
https://www.arista.com/en/support/advisories-notices/security-advisories/12916-security-advisory-68 Mitigation, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)