Authentication Bypass in Commvault CommCell by Commvault
CVE-2021-34993

9.8CRITICAL

Key Information:

Vendor

Commvault

Status
Commcell
Vendor
CVE Published:
13 January 2022

What is CVE-2021-34993?

A significant vulnerability exists in Commvault CommCell 11.22.22 that allows remote attackers to bypass authentication due to improper validation within the CVSearchService service. This flaw enables malicious actors to gain unauthorized access to the system without the need for credentials, posing a severe risk to data integrity and system security. Administrators are urged to review security measures and update to secure versions promptly.

Affected Version(s)

CommCell 11.22.22

References

https://www.zerodayinitiative.com/advisories/ZDI-21-1328/
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Brandon Perry, Justin Kennedy and Steven Seeley of Source Incite
.