CVE-2025-27920 (GCVE-0-2025-27920)

Vulnerability from cvelistv5 – Published: 2025-05-05 00:00 – Updated: 2025-10-21 22:55
VLAI CISA Previdian
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.
Severity
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
SSVC
Exploitation: active Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-26 19:30 UTC
CWE
  • CWE-24 - Path Traversal: '../filedir'
Assigner
References
Impacted products
Vendor Product Version
Srimax Output Messenger Affected: 0 , < 2.0.63 (custom)
Create a notification for this product.
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: ff72a471-bf3a-4e1c-a1a9-c479d4cc9da4

Vulnerability ID: CVE-2025-27920

Status: Confirmed

Status Updated: 2025-05-19 02:00 CEST

Exploited: Yes

Timestamps
First Seen: 2025-05-19
Asserted: 2025-05-19
Scope
Notes: Srimax Output Messenger Directory Traversal Vulnerability | Affected: Srimax / Output Messenger | 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. | Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. | Due date: 2025-06-09 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://www.outputmessenger.com/cve-2025-27920/ ; https://nvd.nist.gov/vuln/detail/CVE-2025-27920
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-22
Feed CISA Known Exploited Vulnerabilities Catalog
Product Output Messenger
Due Date 2025-06-09
Date Added 2025-05-19
Vendorproject Srimax
Vulnerabilityname Srimax Output Messenger Directory Traversal Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-10-02 08:09 CEST | Updated: 2026-10-02 08:09 CEST
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 0e8ac527-202d-4794-adfb-15bee37661eb

Vulnerability ID: CVE-2025-27920

Status: Confirmed

Status Updated: 2025-05-21 15:10 CEST

Exploited: Yes

Timestamps
First Seen: 2025-05-21
Asserted: 2025-05-21
Scope
Notes: Output Messenger before 2.0.63 was vulnerable to a directory traversal attack through improper file path handling. By using ../ sequences in... | Affected: Srimax / Output Messenger | CVSS: 9.8 (CRITICAL) | EPSS: 0.01855 | Used in malware: unknown | Listed 377 days ahead of CISA KEV | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: previdian

Details
Feed Previdian (previdian.com)
Title Output Messenger before 2.0.63 was vulnerable to a directory traversal attack through improper file path handling. By using ../ sequences in...
Cve Id CVE-2025-27920
Vendor Srimax
Ghsa Id None
Product Output Messenger
Added Date 2025-05-21T13:10:40.229Z
Cvss Score 9.8
Epss Score 0.01855
Previous Ids
Cvss Severity CRITICAL
Virtual Patch False
Cvss Estimated False
Epss Percentile 0.7841
Used In Malware unknown
Vulnerability Id CVE-2025-27920
Ahead Of Cisa Kev 
{
  "count": 377,
  "unit": "day"
}
Not Yet In Cisa Kev False
References
Created: 2026-10-02 09:10 CEST | Updated: 2026-10-02 09:10 CEST
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

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