Vulnerability details
CVE-2025-27920
Actively exploited
Srimax Output Messenger
CVSS 3.1
7.2High
Remedy
Required action (CISA): Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. (due: 2025-06-09)
Versions not listed as affected in the CVE record:
- Output Messenger — version 2.0.63 and later
Official description
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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.2High | 3.1 | CVEProject cvelistV5 (CNA) (mitre) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Srimax | Output Messenger | v < 2.0.63 | CVEProject cvelistV5 (CNA) |
References and advisories
4- https://www.srimax.com/products-2/output-messenger/
- https://www.outputmessenger.com/cve-2025-27920/
- https://www.microsoft.com/en-us/security/blog/2025/05/12/marbled-dust-leverages-zero-day-in-output-messenger-for-regional-espionage/ third-party-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-27920 government-resource
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Details
- Published
- 2025-05-05
- Last updated
- 2025-10-22
- State
- Published
- Assigner (CNA)
- mitre
- Kolun priority
- 71 · High
CISA KEV catalog
- Date added
- 2025-05-19
- Due date
- 2025-06-09
- Used in ransomware
- Unknown
Exploit prediction (EPSS)
1.89%
Probability of exploitation in 30 days
79.9%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- Active
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-24Path Traversal: '../filedir'