# 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.

- Page: https://www.vulneraibility.com/cve/CVE-2025-27920
- CVSS: 7.2
- Known exploited: yes, in CISA KEV since 2025-05-19; CISA due date 2025-06-09
- EPSS: 1.86%
- CISA SSVC: exploitation active, automatable yes, technical impact partial (assessed 2025-08-26)
- Weakness: CWE-24
- Published: 2025-05-05

## Affected versions

- Srimax Output Messenger: affected < 2.0.63

A version outside these ranges is not a statement that it is unaffected.

## References

- [other] https://www.srimax.com/products-2/output-messenger/
- [other] https://www.outputmessenger.com/cve-2025-27920/
- [advisory] https://www.microsoft.com/en-us/security/blog/2025/05/12/marbled-dust-leverages-zero-day-in-output-messenger-for-regional-espionage/
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-27920

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.