CVE-2021-28495: Critical severity Arista Metamako Operating System vulnerability
In Arista's MOS (Metamako Operating System) software which is supported on the 7130 product line, under certain conditions, user authentication can be bypassed when API access is enabled via the JSON-RPC APIs. This issue affects: Arista Metamako Operating System All releases in the MOS-0.1x train MOS-0.13 and post releases in the MOS-0.1x train MOS-0.26.6 and below releases in the MOS-0.2x train MOS-0.31.1 and below releases in the MOS-0.3x train
Affected Software
Remediation
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Event History
Frequently Asked Questions
What is CVE-2021-28495?
CVE-2021-28495 is a vulnerability in Arista's MOS (Metamako Operating System) software that allows user authentication to be bypassed when API access is enabled via the JSON-RPC APIs.
Which products are affected by CVE-2021-28495?
Arista's Metamako Operating System versions in the MOS-0.1x train from 0.10.0 to 0.13.0, versions from 0.20.0 to 0.26.7, and versions from 0.30.0 to 0.32.0 are affected.
What is the severity of CVE-2021-28495?
CVE-2021-28495 has a severity rating of 9.8, which is classified as critical.
How can I fix CVE-2021-28495?
To fix CVE-2021-28495, it is recommended to apply the necessary patches or updates provided by Arista. Please refer to the vendor's security advisory for specific instructions.
Where can I find more information about CVE-2021-28495?
You can find more information about CVE-2021-28495 in Arista's security advisory, which can be accessed at the following link: https://www.arista.com/en/support/advisories-notices/security-advisories/12914-security-advisory-66