How severe is CVE-2025-34028?

CVE-2025-34028 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-34028 being actively exploited?

Yes. CVE-2025-34028 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2025-05-02, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2025-34028?

CVE-2025-34028 affects Commvault. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-34028?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2025-34028 have an EU (EUVD) identifier?

Yes. CVE-2025-34028 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12275. It is also flagged as exploited in the EUVD (since 2025-05-02).

When was CVE-2025-34028 published?

CVE-2025-34028 was published on 2025-04-22 and last updated on 2026-06-17.

CVE-2025-34028

CVE-2025-34028 is a critical-severity vulnerability in Commvault with a CVSS 3.x base score of 10.0. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2025-05-02). The underlying weakness is classified as CWE-22.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
CVSS v4: 9.3
EPSS exploit prediction: 97% (100th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2025-05-02)
EU (EUVD) id: EUVD-2025-12275
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2025-05-02)
Weakness: CWE-22
Affected product: Commvault
Published: 2025-04-22
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2025-34028?: 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.
How severe is CVE-2025-34028?: CVE-2025-34028 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-34028 being actively exploited?: Yes. CVE-2025-34028 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2025-05-02, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2025-34028?: CVE-2025-34028 affects Commvault. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-34028?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2025-34028 have an EU (EUVD) identifier?: Yes. CVE-2025-34028 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12275. It is also flagged as exploited in the EUVD (since 2025-05-02).
When was CVE-2025-34028 published?: CVE-2025-34028 was published on 2025-04-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:commvault:commvault:*:*:*:*:*:*:*:*

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