Vulnerability Intelligence Report
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.
No Active Exploit Signals
CVSS Base Score
9.8
CRITICAL
Exploitability:3.9
Impact Score:5.9
EPSS Probability:5.42%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-287 ↗CWE-287: Improper Authentication
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Commvault | CommCell | 11.22.22 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
5.424%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Zero Day Initiative · Bug Bounty Provider · Japan |
| Reserved | 2021-06-17T00:00:00 |
| Published | 2022-01-13T21:44:46 |
| Last Updated | 2024-08-04T00:26:55 |
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