How severe is CVE-2025-57791?

CVE-2025-57791 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-57791 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 21% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-57791?

CVE-2025-57791 affects Commvault. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-57791?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-57791 have an EU (EUVD) identifier?

Yes. CVE-2025-57791 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25255.

When was CVE-2025-57791 published?

CVE-2025-57791 was published on 2025-08-20 and last updated on 2026-06-17.

CVE-2025-57791

CVE-2025-57791 is a medium-severity vulnerability in Commvault with a CVSS 3.x base score of 6.5. Its EPSS exploit-prediction score of 21% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-88.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v4: 6.9
EPSS exploit prediction: 21% (97th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-25255
Weakness: CWE-88
Affected product: Commvault
Published: 2025-08-20
Last modified: 2026-06-17

Description

A security vulnerability has been identified that allows remote attackers to inject or manipulate command-line arguments passed to internal components due to insufficient input validation. Successful exploitation results in a valid user session for a low privilege role.

Frequently asked questions

What is CVE-2025-57791?: A security vulnerability has been identified that allows remote attackers to inject or manipulate command-line arguments passed to internal components due to insufficient input validation. Successful exploitation results in a valid user session for a low privilege role.
How severe is CVE-2025-57791?: CVE-2025-57791 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-57791 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 21% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-57791?: CVE-2025-57791 affects Commvault. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-57791?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-57791 have an EU (EUVD) identifier?: Yes. CVE-2025-57791 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25255.
When was CVE-2025-57791 published?: CVE-2025-57791 was published on 2025-08-20 and last updated on 2026-06-17.

References

https://documentation.commvault.com/securityadvisories/CV_2025_08_1.html

Affected products (1)

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

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