Srimax Output Messenger Directory Traversal Vulnerability
Srimax — Output Messenger
Output Messenger before 2.0.63 was vulnerable to a directory traversal attack through improper file path handling. By using ../ sequences in parameters, attackers could access sensitive files outside the intended directory, potentially leading to configuration leakage or arbitrary file access.
7.2
1.8%
Vector breakdown
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Changed
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
- Published
- May 5, 2025
- Modified
- Oct 21, 2025
- Added to KEV
- May 19, 2025
- Federal patch due
- Jun 9, 2025
CISA required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Weakness classification
Proof-of-concept & exploitation references
Weaponization
Public repositories whose name or description references CVE-2025-27920, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit — cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.
No public GitHub repositories referencing CVE-2025-27920 were found at last check. Absence here is not proof no exploit exists — see the references below for vendor advisories and write-ups.
References
Frequently asked questions
What is CVE-2025-27920?
Output Messenger before 2.0.63 was vulnerable to a directory traversal attack through improper file path handling. By using ../ sequences in parameters, attackers could access sensitive files outside the intended directory, potentially leading to configuration leakage or arbitrary file access.
How severe is CVE-2025-27920?
CVE-2025-27920 has a CVSS base score of 7.2 out of 10 (CVSS 3.1).
Is CVE-2025-27920 actively exploited in the wild?
Yes. CVE-2025-27920 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added May 19, 2025, meaning CISA has confirmed evidence of active exploitation.
What is the EPSS score for CVE-2025-27920?
1.8% - meaning FIRST.org's EPSS model estimates a 1.8% probability this vulnerability will be exploited in the wild within 30 days (77% percentile among all scored CVEs).
What type of vulnerability is CVE-2025-27920?
CVE-2025-27920 is classified under CWE-24 (CWE-24 Path Traversal: '../filedir').
Cross-checked against
Impactr finds and proves whether CVE-2025-27920 — or flaws like it — are actually reachable in your own web apps and APIs, with a reproducible exploit as evidence.