CVE-2021-28497 Auth bypass in Metamako Operating System
Unprivileged users can access the bash shell on Arista Metamako OS devices, leading to potential privilege escalation and code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-28497?
CVE-2021-28497 is a medium-severity authentication bypass vulnerability in Arista Metamako Operating System, published on 9 Sep 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In Arista's MOS (Metamako Operating System) software which is supported on the 7130 product line, under certain conditions, the bash shell might be accessible to unprivileged users in situations where they should not have access. This issue affects: Arista Metamako Operating System All 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
Weakness: CWE-264
Which versions are affected by CVE-2021-28497?
It affects 1 product.
Products include Arista Metamako Operating System.
How do I fix CVE-2021-28497?
No fix has been published for CVE-2021-28497 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2021-28497 being exploited?
There is no known exploitation of CVE-2021-28497 in the wild and no public exploit code.
Other vulnerabilities in Arista Metamako Operating System
- CVE-2021-28494 Auth bypass in Metamako Operating System
- CVE-2021-28498 Hardcoded credentials in Metamako Operating System
- CVE-2021-28493 Auth bypass in Metamako Operating System
- CVE-2021-28495 Auth bypass in Metamako Operating System
- CVE-2021-28499 Information disclosure in Metamako Operating System
Sources
Also known as GHSA-v7vx-g8wp-cjcv.