Vulnerability Details : CVE-2021-28506

An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device.
Published 2022-01-14 20:15:10
Updated 2022-07-14 18:47:40
Source Arista Networks, Inc.
View at NVD,   CVE.org
Vulnerability category: BypassGain privilege

Exploit prediction scoring system (EPSS) score for CVE-2021-28506

EPSS FAQ
0.09%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 38 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-28506

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
9.4
 HIGH AV:N/AC:L/Au:N/C:N/I:C/A:C
10.0
9.2
 NIST
9.1
 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
3.9
5.2
 NIST
9.1
 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
3.9
5.2
 Arista Networks, Inc.

CWE ids for CVE-2021-28506

  • The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.
    Assigned by: psirt@arista.com (Secondary)
  • The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.
    Assigned by: nvd@nist.gov (Primary)
  • The product does not perform an authorization check when an actor attempts to access a resource or perform an action.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-28506

Products affected by CVE-2021-28506

  • Arista » EOS
    Versions from including (>=) 4.25.5 and up to, including, (<=) 4.25.5.1m
    cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*
    Matching versions
  • Arista » EOS
    Versions from including (>=) 4.25.0 and up to, including, (<=) 4.25.3
    cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*
    Matching versions
  • Arista » EOS
    Versions from including (>=) 4.26.0 and up to, including, (<=) 4.26.2f
    cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*
    Matching versions
  • Arista » EOS
    Versions from including (>=) 4.24.0 and up to, including, (<=) 4.24.7m
    cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*
    Matching versions
  • Arista » EOS
    Versions from including (>=) 4.25.4 and up to, including, (<=) 4.25.4m
    cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*
    Matching versions
This web site uses cookies for managing your session, storing preferences, website analytics and additional purposes described in our privacy policy.
By using this web site you are agreeing to CVEdetails.com terms of use!
Accept Close