CVE-2025-27920

Summary

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.

Affected Software

Weaknesses

• CWE-24: CWE-24 Path Traversal: '../filedir'

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: active
  • Automatable: yes
  • Technical Impact: partial

Additional References

• https://www.microsoft.com/en-us/security/blog/2025/05/12/marbled-dust-leverages-zero-day-in-output-messenger-for-regional-espionage/
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-27920

References

• https://www.srimax.com/products-2/output-messenger/
• https://www.outputmessenger.com/cve-2025-27920/

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