CVE-2025-27920

Srimax Output Messenger Directory Traversal Vulnerability

High 7.2
Exploited: added to CISA KEV 19 May 2025

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.

Key facts

Published: 5 May 2025
Last changed: 21 Oct 2025
Assigned by: mitre
KEV added: 19 May 2025
KEV fix due: 9 Jun 2025
EPSS: 1.898% likely to be exploited in the next 30 days, higher than 79.991% of CVEs (scores for 15 Nov 2026)
SSVC (CISA): Exploitation: active; Automatable: yes; Technical impact: partial

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

7.2CVSS 3.1, Highfrom the CNA (mitre)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

What to do

Apply 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 required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

Vendor	Product	Versions
Srimax	Output Messenger	Default status: unaffected 0 up to but excluding 2.0.63 (affected)