CVE-2025-57790: Commvault CommCell · Absolute Path Traversal
Affects Commvault CommCellSource CVE Database V5
Public exploit available (Metasploit) · 43% EPSS · CVSS 8.7 High.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 43.8% chance of exploitation in 30 days – higher than 98% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 20 Aug 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: evidence found.
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Commvault CommCell | Affected
| Fixed in– |
AI-suggested
- Immediate mitigation should include restricting network access to CommCell management interfaces to trusted IP ranges and implementing strong network segmentation to limit exposure.
- Apply principle of least privilege by ensuring that accounts interacting with CommCell have minimal necessary permissions, reducing the risk posed by low-privilege exploitation.
- Monitor CommCell logs and network traffic for unusual file access patterns or unexpected requests that could indicate exploitation attempts.
- Employ Web Application Firewalls (WAFs) or Intrusion Prevention Systems (IPS) with custom rules to detect and block path traversal payloads targeting CommCell.
- Since no official patches are currently available, coordinate with Commvault support for early access to security updates or workarounds.
- Conduct thorough security assessments and penetration tests focused on backup infrastructure to identify and remediate similar vulnerabilities.
- Prepare incident response plans specifically addressing backup system compromises to minimize impact if exploitation occurs.
- Educate IT and security teams about this vulnerability to ensure rapid detection and response.
Description
A security vulnerability has been identified that allows remote attackers to perform unauthorized file system access through a path traversal issue. The vulnerability may lead to remote code execution.