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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 CPE status
Srimax Output Messenger Affected: 0 , < 2.0.63 (custom)
guessed Create a notification for this product.
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 1afdac08-fb5f-4d85-8fb7-8bebd7e4f42f

Vulnerability ID: CVE-2025-27920

Status: Confirmed

Status Updated: 2025-05-19 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2025-05-19
Asserted: 2025-05-19
Scope
Notes: KEV entry: 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: 2026-02-02 12:26 UTC | Updated: 2026-02-06 07:17 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 1ac4416f-48ad-49bb-a116-109d48bc98f4

Vulnerability ID: CVE-2025-27920

Status: Confirmed

Status Updated: 2025-05-21 13:10 UTC

Exploited: Yes

Timestamps
First Seen: 2025-05-21
Asserted: 2025-05-21
Scope
Notes: KEVIntel entry: 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: 7.2 (HIGH) | EPSS: 0.01812 | Used in malware: unknown | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title Output Messenger before 2.0.63 was vulnerable to a directory traversal attack through improper file path handling. By using ../ sequences in...
Vendor Srimax
Product Output Messenger
Added Date 2025-05-21T13:10:40.229Z
Cvss Score 7.2
Epss Score 0.01812
Cvss Severity HIGH
Epss Percentile 0.75822
Used In Malware unknown
Ahead Of Cisa Kev 
{
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  "unit": "day"
}
Not Yet In Cisa Kev False
References
Created: 2026-06-23 14:04 UTC | Updated: 2026-07-10 06:14 UTC
Show details on NVD website
To clipboard 

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Taxonomy of the tags.





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

Author Source Type Date Other

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.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.