CVE-2021-34993

EUVD-2021-21640
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
zdiCNA
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 63%
Affected Products (NVD)
VendorProductVersion
commvaultcommcell
11.22.22
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.zerodayinitiative.com/advisories/ZDI-21-1328/
https://www.zerodayinitiative.com/advisories/ZDI-21-1328/