Vulnerability CVE-2021-28503


Published: 2022-02-04   Modified: 2022-02-05

Description:
The impact of this vulnerability is that Arista's EOS eAPI may skip re-evaluating user credentials when certificate based authentication is used, which allows remote attackers to access the device via eAPI.

Type:

CWE-287

(Improper Authentication)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Arista -> EOS 

 References:
https://www.arista.com/en/support/advisories-notices/security-advisories/13605-security-advisory-0072

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