CVE-2025-27920Output Messenger before 2.0.63 was vulnerable to a directory traversal attack through improper file path handling.
Updated under an hour ago ()
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It affects Srimax Output Messenger. Add what you run to find out whether that includes you.
CISA lists it as known exploited since May 19, 2025; federal agencies had to remediate by Jun 9, 2025. Treat that date as your deadline.
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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
- 7.2 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
- Weakness (CWE)
- CWE-24
- Known exploited
- Added to CISA KEV May 19, 2025; federal remediation due Jun 9, 2025Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- EPSS (exploitation in the next 30 days)
- 1.86% (percentile 79)
- Assigned by
- mitre
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Srimax Output Messenger srimax:output_messenger (from the name) | before 2.0.63 | CNA record |
srimax output_messenger srimax:output_messenger | before 2.0.63 | NVD |
References
- https://www.srimax.com/products-2/output-messenger/product
- https://www.outputmessenger.com/cve-2025-27920/vendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-27920us-government-resource
- https://www.microsoft.com/en-us/security/blog/2025/05/12/marbled-dust-leverages-zero-day-in-output-messenger-for-regional-espionage/mitigation, third-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.