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TI-2021-13980 Aliases CVE-2021-34993GHSA-95jr-2g3p-6m72

Improper authentication in Commvault CommCell

Priority MEDIUM 51CWE-287Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.

Summary

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.

Why it matters now

EPSS 0.05827 93rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
CommvaultCommCell11.22.22—No fix listedCNA
  • CommCell VendorCommvault Affected 11.22.22 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:commvault:commcell:11.22.22:*:*:*:*:*:*:*11.22.22VulnerableCommvault
  • cpe:2.3:a:commvault:commcell:11.22.22:*:*:*:*:*:*:* Versions 11.22.22 Vulnerable ·Commvault

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-34993
  2. 2026-10-03 Alias added: GHSA-95jr-2g3p-6m72

References

Advisory 1

  • TI-2021-13983 This vulnerability allows remote attackers to execute arbitrary code on affected… CVSS 3.1HIGH 8.8
  • TI-2021-13982 Unrestricted file upload in Commvault CommCell CVSS 3.1HIGH 8.8
  • TI-2021-13981 Improper input validation in Commvault CommCell CVSS 3.1HIGH 8.8
  • TI-2021-13984 Unrestricted file upload in Commvault CommCell CVSS 3.1HIGH 8.8
  • TI-2020-15787 In CommCell in Commvault before 14.68, 15.x before 15.58, 16.x before 16.44, 17.x before… CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences