CVE-2025-27920
Srimax Output Messenger Directory Traversal Vulnerability
Srimax Output Messenger
CVSS
7.2HighExploit odds (EPSS)1.86%Chance of exploitation activity in the next 30 days, higher than 79% of CVEs. Scored 23 Oct 2026FIRST EPSS
CISA required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. CISA KEV
What fixes it
- 2.0.63Output MessengerCVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Timeline
Description
Srimax Output Messenger contains a directory traversal vulnerability that allows an attacker to access sensitive files outside the intended directory, potentially leading to configuration leakage or arbitrary file access.
Text from CVE List
Affected versions 1
- Output Messengeraffected: all versions before 2.0.63CVE List
References 5
- microsoft.com/en-us/security/blog/2025/05/12/marbled-dust-leverages-zero-day-in-output-messenger-for-regional-espionage/Advisoryvia CVE List
- outputmessenger.com/cve-2025-27920/Referencevia CVE List
- nvd.nist.gov/vuln/detail/CVE-2025-27920Referencevia CISA KEV
- srimax.com/products-2/output-messenger/Referencevia CVE List
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-27920Referencevia CVE List