CVE Vulnerability

CVE-2021-34993

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.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://www.zerodayinitiative.com/advisories/ZDI-21-1328/ Third Party Advisory VDB Entry
Configurations

Configuration 1

cpe:2.3:a:commvault:commcell:11.22.22:*:*:*:*:*:*:*
Information

Published : 2022-01-13 10:15

Updated : 2022-01-22 03:49

NVD link : CVE-2021-34993

Mitre link : CVE-2021-34993

Products Affected
No products.
CWE
CWE-287