Executive Summary

Informations
Name CVE-2021-28509 First vendor Publication 2022-05-26
Vendor Cve Last vendor Modification 2022-06-09

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N
Overall CVSS Score 6.1
Base Score 6.1 Environmental Score 6.1
impact SubScore 5.2 Temporal Score 6.1
Exploitabality Sub Score 0.9
 
Attack Vector Network Attack Complexity Low
Privileges Required High User Interaction Required
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:H/Au:S/C:P/I:P/A:N)
Cvss Base Score 3.6 Attack Range Network
Cvss Impact Score 4.9 Attack Complexity High
Cvss Expoit Score 3.9 Authentication Requires single instance
Calculate full CVSS 2.0 Vectors scores

Detail

This advisory documents the impact of an internally found vulnerability in Arista EOS state streaming telemetry agent TerminAttr and OpenConfig transport protocols. The impact of this vulnerability is that, in certain conditions, TerminAttr might leak MACsec sensitive data in clear text in CVP to other authorized users, which could cause MACsec traffic to be decrypted or modified by other authorized users on the device.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28509

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-319 Cleartext Transmission of Sensitive Information

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 1
Os 73

Sources (Detail)

Source Url
MISC https://www.arista.com/en/support/advisories-notices/security-advisories/1548...

Alert History

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Date Informations
2023-09-06 02:12:07
  • Multiple Updates
2022-06-10 00:27:14
  • Multiple Updates
2022-05-27 09:27:14
  • Multiple Updates
2022-05-27 00:27:09
  • First insertion