Executive Summary

This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Name CVE-2021-28496 First vendor Publication 2021-10-21
Vendor Cve Last vendor Modification 2022-07-30

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Overall CVSS Score 6.5
Base Score 6.5 Environmental Score 6.5
impact SubScore 3.6 Temporal Score 6.5
Exploitabality Sub Score 2.8
Attack Vector Network Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact None Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:S/C:P/I:N/A:N)
Cvss Base Score 4 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 8 Authentication Requires single instance
Calculate full CVSS 2.0 Vectors scores


On systems running Arista EOS and CloudEOS with the affected release version, when using shared secret profiles the password configured for use by BiDirectional Forwarding Detection (BFD) will be leaked when displaying output over eAPI or other JSON outputs to other authenticated users on the device. The affected EOS Versions are: all releases in 4.22.x train, 4.23.9 and below releases in the 4.23.x train, 4.24.7 and below releases in the 4.24.x train, 4.25.4 and below releases in the 4.25.x train, 4.26.1 and below releases in the 4.26.x train

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28496

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-522 Insufficiently Protected Credentials (CWE/SANS Top 25)

CPE : Common Platform Enumeration

Application 1
Os 73

Sources (Detail)

Source Url
MISC https://www.arista.com/en/support/advisories-notices/security-advisories/1324...

Alert History

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Date Informations
2023-09-06 02:12:06
  • Multiple Updates
2022-07-30 17:27:40
  • Multiple Updates
2022-01-27 01:48:36
  • Multiple Updates
2022-01-22 12:48:45
  • Multiple Updates
2021-12-16 01:49:12
  • Multiple Updates
2021-12-01 01:46:45
  • Multiple Updates
2021-10-28 21:22:58
  • Multiple Updates
2021-10-21 21:22:50
  • First insertion