Vulnerability Details : 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
Vulnerability category: BypassGain privilege
Products affected by CVE-2021-28494
- cpe:2.3:o:arista:metamako_operating_system:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-28494
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 43 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-28494
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:P |
8.0
|
6.4
|
NIST | |
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST | |
9.6
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H |
3.1
|
5.8
|
Arista Networks, Inc. |
CWE ids for CVE-2021-28494
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by:
- nvd@nist.gov (Primary)
- psirt@arista.com (Secondary)
References for CVE-2021-28494
-
https://www.arista.com/en/support/advisories-notices/security-advisories/12916-security-advisory-68
Security Advisory 0068 - AristaMitigation;Vendor Advisory
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