Path traversal in Fortinet FortiDLP
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
An Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability [CWE-22] in Fortinet FortiDLP Agent's Outlookproxy plugin for Windows 11.5.1 and 11.4.2 through 11.4.6 and 11.3.2 through 11.3.4 and 11.2.0 through 11.2.3 and 11.1.1 through 11.1.2 and 11.0.1 and 10.5.1 and 10.4.0, and 10.3.1 may allow an authenticated attacker to escalate their privilege to LocalService via sending a crafted request to a local listening port.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Fortinet | FortiDLP | 11.5.1; 11.4.2 – 11.4.6; 11.3.2 – 11.3.4; 11.2.3; 11.2.0; 11.1.1 – 11.1.2; 11.0.1; 10.5.1; 10.4.0; 10.3.1 | — | No fix listed | CNA |
- FortiDLP VendorFortinet Affected 11.5.1; 11.4.2 – 11.4.6; 11.3.2 – 11.3.4; 11.2.3; 11.2.0; 11.1.1 – 11.1.2; 11.0.1; 10.5.1; 10.4.0; 10.3.1 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-53951
- 2026-10-03 Alias added: GHSA-j566-3vgf-vxpp
References
More Fortinet Fortidlp Agent vulnerabilities
- TI-2025-34427 Path traversal in Fortinet FortiDLP CVSS 3.1HIGH 7.2
- TI-2025-33815 An Exposure of Private Personal Information ('Privacy Violation') vulnerability [CWE-359]… CVSS 3.1MEDIUM 6.0
- TI-2025-29422 Sensitive information in log files in Fortinet FortiDLP CVSS 3.1MEDIUM 4.4
Sources
- CVE-2025-53951 · CVE Program
- CVE-2025-53951 · NVD
- FIRST EPSS
- GHSA-j566-3vgf-vxpp · GitHub Advisory Database · CC BY 4.0
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