CVE-2021-34993 Auth bypass in CommCell
Remote attackers can bypass authentication in Commvault CommCell via the CVSearchService, gaining unauthorized access to the system.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-34993?
CVE-2021-34993 is a critical authentication bypass vulnerability in Commvault CommCell, published on 13 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
This vulnerability allows remote attackers to bypass authentication on affected installations of Commvault CommCell 11.22.22. Authentication is not required to exploit this vulnerability. The specific flaw exists within the CVSearchService service. The issue results from the lack of proper validation prior to authentication. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-13706.
Weakness: CWE-287
Which versions are affected by CVE-2021-34993?
It affects 1 product.
Products include Commvault Commcell.
How do I fix CVE-2021-34993?
No fix has been published for CVE-2021-34993 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-2021-34993 being exploited?
There is no known exploitation of CVE-2021-34993 in the wild and no public exploit code.
Other vulnerabilities in Commvault CommCell
Sources
Also known as GHSA-95jr-2g3p-6m72.