CVE-2025-34028: Commvault Command Center Path Traversal Vulnerability
- Is it exploited?
Yes. CISA added it to the Known Exploited Vulnerabilities catalog on , 10 days after the CVE record was published.
- How likely is exploitation in the next 30 days?
- 97.6%
EPSS score, percentile 99.9 of all scored records
- How severe?
- 9.3 Critical
CVSS v4.0 base score, given by the CNA
- What should I do?
CISA deadline . Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- Which versions are affected?
Affected
- 11.38.0 through 11.38.25
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of ; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of ; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.
What to do
Required action, set by CISA
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA due date for this action: .
Advisories and patches
Linked from CISA's catalog entry
- https://documentation.commvault.com/securityadvisories/CV_2025_04_1.html
- https://nvd.nist.gov/vuln/detail/CVE-2025-34028
Affected products and versions
As listed in the CVE record.
| Status | Versions |
|---|---|
| Affected | 11.38.0 through 11.38.25 |
Versions not listed are: unaffected.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.
About this vulnerability
Commvault Command Center contains a path traversal vulnerability that allows a remote, unauthenticated attacker to execute arbitrary code.
Summary: CISA's KEV catalog, as of .
- CISA added CVE-2025-34028 to its Known Exploited Vulnerabilities (KEV) catalog on 2 May 2025.
- CISA's ransomware flag for this entry is "Unknown": no evidence of ransomware use in the catalog, which is not proof of none.
- The due date CISA sets for the required action is 23 May 2025.
- The CVE record was published on 22 Apr 2025, 10 days before it was added to KEV.
- The CVE record carries a CVSS v4.0 base score of 9.3 (Critical), given by its CNA.
- FIRST's EPSS model puts the probability of exploitation in the next 30 days at 97.6% (percentile 99.9), as of 28 Oct 2026.
- CISA's SSVC assessment in the CVE record: exploitation active, automatable yes, technical impact total.
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of ; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of ; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of . About the data.
Description
Commvault Command Center Innovation Release <= 11.38.25 Unathenticated Install Package Path Traversal
The Commvault Command Center Innovation Release allows an unauthenticated actor to upload ZIP files that represent install packages that, when expanded by the target server, are vulnerable to path traversal vulnerability that can result in Remote Code Execution via malicious JSP. This issue affects Command Center Innovation Release: 11.38.0 to 11.38.20. The vulnerability is fixed in 11.38.20 with SP38-CU20-433 and SP38-CU20-436 and also fixed in 11.38.25 with SP38-CU25-434 and SP38-CU25-438.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.
Weakness
- CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
- CWE-306: Missing Authentication for Critical Function
Attack patterns (CAPEC)
- CAPEC-242: Code Injection
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.
Timeline
| Date | Event |
|---|---|
| CVE record published | |
| Added to CISA KEV | |
| CISA due date for the required action | |
| CVE record last updated |
References
More exploited Commvault vulnerabilities
- CVE-2025-3928: Commvault Web Server Unspecified Vulnerability