CVE-2021-28501

Published on: 01/14/2022 12:00:00 AM UTC

Last Modified on: 01/14/2022 09:37:00 PM UTC

CVE-2021-28501 - advisory for 71

Source: Mitre Source: Nist Print: PDF PDF
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Certain versions of Terminattr from Arista Networks contain the following vulnerability:

An issue has recently been discovered in Arista EOS where the incorrect use of EOS's AAA API’s by the OpenConfig and TerminAttr agents could result in unrestricted access to the device for local users with nopassword configuration.

  • CVE-2021-28501 has been assigned by URL Logo [email protected] to track the vulnerability
  • Affected Vendor/Software: URL Logo Arista Networks - Terminattr version = 0
Vulnerability Patch/Work Around
  • On the affected versions, all vulnerabilities can be mitigated by disabling OpenConfig gNMI/gNOI and OpenConfig RESTCONF and TerminAttr. If use of these agents is required, a hotfix employing a proxy service can be deployed.
  • To mitigate CVE-2021-28501 with the continued use of the affected agents, a hotfix employing a proxy service can be deployed. The proxy is configured behind the gNMI/gNOI or RESTCONF server. The hotfix can be downloaded at https://www.arista.com/en/support/advisories-notices/sa-download/?sa=71-SecurityAdvisory0071Hotfix.i386.swix for 32 bit systems and https://www.arista.com/en/support/advisories-notices/sa-download/?sa=71-SecurityAdvisory0071Hotfix.x86_64.swix for 64 bit systems.

CVE References

Description Tags Link
Security Advisory 0071 - Arista www.arista.com
text/html
URL Logo MISC www.arista.com/en/support/advisories-notices/security-advisories/13449-security-advisory-0071

Known Affected Software

Vendor Product Version
Arista Networks Terminattr= 0

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-28501 : An issue has recently been discovered in Arista EOS where the incorrect use of EOS's AAA API’s by… twitter.com/i/web/status/1… 2022-01-14 19:45:45
© CVE.report 2022 Twitter Nitter Twitter Viewer |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report