Vulnerability · Published Sep 9, 2021 · Assigned by Arista
CVE-2021-28495
High 7.2
In plain English
A high-severity improper authentication in Metamako Operating System from Arista. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 61% of all known vulnerabilities).
Official description
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 products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Arista | Metamako Operating System | MOS-0.13 – before MOS-0.13*MOS-0.26.7 – before MOS-0.26.7MOS-0.32.0 – before MOS-0.32.0 |
Weakness: CWE-287 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L