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.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

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

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

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

Configurations

Configuration 1 (hide)

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

History

22 Jan 2022, 03:49

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.5 v3 : 9.8
First Time		Commvault Commvault commcell
CWE		CWE-287
CPE		cpe:2.3:a:commvault:commcell:11.22.22:::::::*
References	~~(MISC) https://www.zerodayinitiative.com/advisories/ZDI-21-1328/ -~~	(MISC) https://www.zerodayinitiative.com/advisories/ZDI-21-1328/ - Third Party Advisory, VDB Entry

13 Jan 2022, 22:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-01-13 22:15

Updated : 2023-12-10 14:09

NVD link : CVE-2021-34993

Mitre link : CVE-2021-34993

CVE.ORG link : CVE-2021-34993

JSON object : View

Products Affected

commvault

commcell

CWE

CWE-287

Improper Authentication

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