CVE-2025-27920

HIGHNVD 7.29.8▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2025-05-19), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.2 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 sources updated this weekExploited in the wild
7.2
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 2%CVSS: 7.2Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
7.2
EG Score
9.8(high)
EPSS
75.8%
KEV
⚠ Exploited

Published

May 5, 2025

Last Modified

November 5, 2025

Advisory Details (4)

Auto-updated Jun 11, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
generic

Marbled Dust leverages zero-day in Output Messenger for regional espionage | Microsoft Security Blog

https://www.microsoft.com/en-us/security/blog/2025/05/12/marbled-dust-leverages-zero-day-in-output-messenger-for-regional-espionage/
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-27920
generic

Secure Instant Lan Messenger Software - Output Messenger | Srimax

https://www.srimax.com/products-2/output-messenger/
generic

CVE-2025-27920: Directory Traversal Vulnerability

https://www.outputmessenger.com/cve-2025-27920/

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 63× in last 7d / 244× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 416 total refreshes for this CVE.

  1. 2026-07-21 09:36 UTCGHSA enrichment
  2. 2026-07-21 05:34 UTCGHSA enrichment
  3. 2026-07-21 01:35 UTCGHSA enrichment
  4. 2026-07-20 21:35 UTCGHSA enrichment
  5. 2026-07-20 17:32 UTCEG score recompute
  6. 2026-07-20 17:32 UTCGHSA enrichment
  7. 2026-07-20 17:07 UTCEPSS rescore
  8. 2026-07-20 13:32 UTCGHSA enrichment
  9. 2026-07-20 09:32 UTCGHSA enrichment
  10. 2026-07-20 05:32 UTCGHSA enrichment
  11. 2026-07-20 01:33 UTCGHSA enrichment
  12. 2026-07-19 21:33 UTCGHSA enrichment
  13. 2026-07-19 17:33 UTCEG score recompute
  14. 2026-07-19 17:33 UTCGHSA enrichment
  15. 2026-07-19 14:30 UTCEPSS rescore
  16. 2026-07-19 14:30 UTCEPSS rescore
  17. 2026-07-19 13:33 UTCGHSA enrichment
  18. 2026-07-19 09:32 UTCGHSA enrichment
  19. 2026-07-19 05:32 UTCEG score recompute
  20. 2026-07-19 05:32 UTCGHSA enrichment
  21. 2026-07-19 02:28 UTCEPSS rescore
  22. 2026-07-19 02:28 UTCEPSS rescore
  23. 2026-07-19 01:32 UTCGHSA enrichment
  24. 2026-07-18 21:32 UTCGHSA enrichment
  25. 2026-07-18 17:32 UTCGHSA enrichment
Show 75 more
  1. 2026-07-18 13:32 UTCEG score recompute
  2. 2026-07-18 13:32 UTCGHSA enrichment
  3. 2026-07-18 10:04 UTCEPSS rescore
  4. 2026-07-18 10:04 UTCEPSS rescore
  5. 2026-07-18 09:33 UTCGHSA enrichment
  6. 2026-07-18 05:32 UTCGHSA enrichment
  7. 2026-07-18 01:32 UTCGHSA enrichment
  8. 2026-07-17 21:32 UTCGHSA enrichment
  9. 2026-07-17 17:32 UTCGHSA enrichment
  10. 2026-07-17 13:32 UTCGHSA enrichment
  11. 2026-07-17 09:33 UTCEG score recompute
  12. 2026-07-17 09:33 UTCGHSA enrichment
  13. 2026-07-17 05:33 UTCGHSA enrichment
  14. 2026-07-17 01:33 UTCGHSA enrichment
  15. 2026-07-16 21:33 UTCGHSA enrichment
  16. 2026-07-16 17:34 UTCGHSA enrichment
  17. 2026-07-16 17:04 UTCCISA KEV update
  18. 2026-07-16 17:02 UTCEPSS rescore
  19. 2026-07-16 13:34 UTCGHSA enrichment
  20. 2026-07-16 09:34 UTCGHSA enrichment
  21. 2026-07-16 05:34 UTCGHSA enrichment
  22. 2026-07-16 01:34 UTCGHSA enrichment
  23. 2026-07-15 21:34 UTCGHSA enrichment
  24. 2026-07-15 17:35 UTCGHSA enrichment
  25. 2026-07-15 16:57 UTCEPSS rescore
  26. 2026-07-15 16:57 UTCEPSS rescore
  27. 2026-07-15 16:49 UTCCISA KEV update
  28. 2026-07-15 15:04 UTCCISA KEV update
  29. 2026-07-15 13:35 UTCGHSA enrichment
  30. 2026-07-15 09:35 UTCGHSA enrichment
  31. 2026-07-15 05:33 UTCGHSA enrichment
  32. 2026-07-15 01:59 UTCEPSS rescore
  33. 2026-07-15 01:59 UTCEPSS rescore
  34. 2026-07-15 01:33 UTCGHSA enrichment
  35. 2026-07-14 21:33 UTCGHSA enrichment
  36. 2026-07-14 18:05 UTCCISA KEV update
  37. 2026-07-14 17:33 UTCGHSA enrichment
  38. 2026-07-14 13:33 UTCGHSA enrichment
  39. 2026-07-14 09:33 UTCGHSA enrichment
  40. 2026-07-14 05:32 UTCGHSA enrichment
  41. 2026-07-14 01:32 UTCGHSA enrichment
  42. 2026-07-13 22:29 UTCEPSS rescore
  43. 2026-07-13 21:33 UTCGHSA enrichment
  44. 2026-07-13 17:33 UTCGHSA enrichment
  45. 2026-07-13 17:07 UTCCISA KEV update
  46. 2026-07-13 13:34 UTCGHSA enrichment
  47. 2026-07-13 09:34 UTCGHSA enrichment
  48. 2026-07-13 06:12 UTCEPSS rescore
  49. 2026-07-13 06:12 UTCEPSS rescore
  50. 2026-07-13 05:34 UTCGHSA enrichment
  51. 2026-07-13 01:33 UTCGHSA enrichment
  52. 2026-07-12 21:33 UTCGHSA enrichment
  53. 2026-07-12 17:33 UTCGHSA enrichment
  54. 2026-07-12 13:31 UTCGHSA enrichment
  55. 2026-07-12 09:32 UTCGHSA enrichment
  56. 2026-07-12 05:46 UTCEPSS rescore
  57. 2026-07-12 05:46 UTCEPSS rescore
  58. 2026-07-12 05:32 UTCGHSA enrichment
  59. 2026-07-12 01:33 UTCGHSA enrichment
  60. 2026-07-11 21:33 UTCGHSA enrichment
  61. 2026-07-11 17:34 UTCGHSA enrichment
  62. 2026-07-11 13:35 UTCGHSA enrichment
  63. 2026-07-11 09:35 UTCGHSA enrichment
  64. 2026-07-11 08:27 UTCEPSS rescore
  65. 2026-07-11 08:27 UTCEPSS rescore
  66. 2026-07-11 05:35 UTCGHSA enrichment
  67. 2026-07-11 01:35 UTCGHSA enrichment
  68. 2026-07-10 21:36 UTCGHSA enrichment
  69. 2026-07-10 17:52 UTCCISA KEV update
  70. 2026-07-10 17:36 UTCGHSA enrichment
  71. 2026-07-10 13:36 UTCGHSA enrichment
  72. 2026-07-10 09:36 UTCGHSA enrichment
  73. 2026-07-10 05:36 UTCGHSA enrichment
  74. 2026-07-10 01:36 UTCGHSA enrichment
  75. 2026-07-09 21:36 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2025-27920?
CVE-2025-27920 is a high vulnerability published on May 5, 2025. 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.
When was CVE-2025-27920 disclosed?
CVE-2025-27920 was first published in the National Vulnerability Database on May 5, 2025, with the most recent update on November 5, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-27920 actively exploited?
Yes. CISA added CVE-2025-27920 to the Known Exploited Vulnerabilities catalog on May 19, 2025, affecting Srimax Output Messenger. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2025-27920?
CVE-2025-27920 has a CVSS v3 base score of 7.2 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.8.
Which products are affected by CVE-2025-27920?
CVE-2025-27920 affects Srimax Output Messenger. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2025-27920?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-27920, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2025-27920

Explore →

Is Your Infrastructure Affected by CVE-2025-27920?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs