CVE-2025-3110

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory published 2026-07-08. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: None knownExposed: 0

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

OpenVPN Access Server 2.7.2 through 3.1.0 accepts bare line-feed sequences inside HTTP header values, allowing remote attackers to perform HTTP request smuggling when deployed behind a reverse proxy

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
49(Track)
EG Risk 49/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity75% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
37%
KEV
Not listed

Published

July 8, 2026

Last Modified

July 10, 2026

Advisory Details (1)

Auto-updated Jul 8, 2026
No patch confirmed yet.
generic

Access Server 3.2 Release Notes and Version Updates

https://openvpn.net/as-docs/as-3-2-release-notes.html

Vendor Advisories for CVE-2025-3110(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 23× in last 7d / 110× 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 160 total refreshes for this CVE.

  1. 2026-08-25 13:48 UTCEPSS rescore
  2. 2026-08-25 10:12 UTCGHSA enrichment
  3. 2026-08-24 20:33 UTCEG score recompute
  4. 2026-08-24 20:33 UTCGHSA enrichment
  5. 2026-08-24 06:32 UTCGHSA enrichment
  6. 2026-08-23 17:47 UTCGHSA enrichment
  7. 2026-08-23 05:42 UTCEG score recompute
  8. 2026-08-23 05:42 UTCGHSA enrichment
  9. 2026-08-23 00:18 UTCEPSS rescore
  10. 2026-08-22 17:37 UTCGHSA enrichment
  11. 2026-08-22 04:49 UTCEG score recompute
  12. 2026-08-22 04:49 UTCGHSA enrichment
  13. 2026-08-21 23:48 UTCEPSS rescore
  14. 2026-08-21 16:44 UTCGHSA enrichment
  15. 2026-08-21 03:59 UTCEG score recompute
  16. 2026-08-21 03:59 UTCGHSA enrichment
  17. 2026-08-20 22:54 UTCEPSS rescore
  18. 2026-08-20 15:37 UTCGHSA enrichment
  19. 2026-08-20 01:59 UTCEG score recompute
  20. 2026-08-20 01:59 UTCGHSA enrichment
  21. 2026-08-19 17:03 UTCEPSS rescore
  22. 2026-08-19 17:03 UTCEPSS rescore
  23. 2026-08-19 10:58 UTCGHSA enrichment
  24. 2026-08-18 22:54 UTCEG score recompute
  25. 2026-08-18 22:54 UTCGHSA enrichment
Show 75 more
  1. 2026-08-18 13:47 UTCEPSS rescore
  2. 2026-08-18 10:50 UTCGHSA enrichment
  3. 2026-08-17 22:29 UTCEG score recompute
  4. 2026-08-17 22:29 UTCGHSA enrichment
  5. 2026-08-17 13:46 UTCEPSS rescore
  6. 2026-08-17 06:05 UTCGHSA enrichment
  7. 2026-08-16 18:00 UTCEG score recompute
  8. 2026-08-16 18:00 UTCGHSA enrichment
  9. 2026-08-16 14:55 UTCEPSS rescore
  10. 2026-08-16 05:38 UTCEG score recompute
  11. 2026-08-16 05:38 UTCGHSA enrichment
  12. 2026-08-16 02:13 UTCEPSS rescore
  13. 2026-08-15 17:34 UTCGHSA enrichment
  14. 2026-08-15 05:30 UTCEG score recompute
  15. 2026-08-15 05:30 UTCGHSA enrichment
  16. 2026-08-15 01:29 UTCEPSS rescore
  17. 2026-08-14 17:26 UTCGHSA enrichment
  18. 2026-08-14 05:19 UTCEG score recompute
  19. 2026-08-14 05:19 UTCGHSA enrichment
  20. 2026-08-13 21:59 UTCEPSS rescore
  21. 2026-08-13 17:15 UTCGHSA enrichment
  22. 2026-08-13 05:10 UTCGHSA enrichment
  23. 2026-08-12 17:06 UTCEG score recompute
  24. 2026-08-12 17:06 UTCGHSA enrichment
  25. 2026-08-12 13:50 UTCEPSS rescore
  26. 2026-08-12 05:01 UTCGHSA enrichment
  27. 2026-08-11 16:57 UTCEG score recompute
  28. 2026-08-11 16:57 UTCGHSA enrichment
  29. 2026-08-11 04:53 UTCEG score recompute
  30. 2026-08-11 04:53 UTCGHSA enrichment
  31. 2026-08-10 16:49 UTCGHSA enrichment
  32. 2026-08-10 04:30 UTCGHSA enrichment
  33. 2026-08-09 16:26 UTCEG score recompute
  34. 2026-08-09 16:26 UTCGHSA enrichment
  35. 2026-08-09 13:46 UTCEPSS rescore
  36. 2026-08-09 04:22 UTCEG score recompute
  37. 2026-08-09 04:22 UTCGHSA enrichment
  38. 2026-08-08 16:36 UTCEPSS rescore
  39. 2026-08-08 16:18 UTCGHSA enrichment
  40. 2026-08-08 04:13 UTCEG score recompute
  41. 2026-08-08 04:13 UTCGHSA enrichment
  42. 2026-08-07 16:26 UTCEPSS rescore
  43. 2026-08-07 16:09 UTCGHSA enrichment
  44. 2026-08-07 04:05 UTCGHSA enrichment
  45. 2026-08-06 16:01 UTCEG score recompute
  46. 2026-08-06 16:01 UTCGHSA enrichment
  47. 2026-08-06 13:46 UTCEPSS rescore
  48. 2026-08-06 03:56 UTCEG score recompute
  49. 2026-08-06 03:56 UTCGHSA enrichment
  50. 2026-08-05 15:52 UTCGHSA enrichment
  51. 2026-08-05 02:27 UTCEG score recompute
  52. 2026-08-05 02:27 UTCGHSA enrichment
  53. 2026-08-04 15:09 UTCEPSS rescore
  54. 2026-08-04 14:23 UTCEG score recompute
  55. 2026-08-04 14:23 UTCGHSA enrichment
  56. 2026-08-04 10:37 UTCEPSS rescore
  57. 2026-08-04 02:18 UTCGHSA enrichment
  58. 2026-08-03 14:14 UTCEG score recompute
  59. 2026-08-03 14:14 UTCGHSA enrichment
  60. 2026-08-03 10:35 UTCEPSS rescore
  61. 2026-08-03 02:07 UTCGHSA enrichment
  62. 2026-08-02 14:03 UTCEG score recompute
  63. 2026-08-02 14:03 UTCGHSA enrichment
  64. 2026-08-02 02:26 UTCEPSS rescore
  65. 2026-08-02 01:59 UTCGHSA enrichment
  66. 2026-08-01 13:55 UTCEG score recompute
  67. 2026-08-01 13:55 UTCGHSA enrichment
  68. 2026-08-01 04:15 UTCEPSS rescore
  69. 2026-08-01 01:51 UTCGHSA enrichment
  70. 2026-07-31 13:30 UTCGHSA enrichment
  71. 2026-07-31 01:24 UTCEG score recompute
  72. 2026-07-31 01:24 UTCGHSA enrichment
  73. 2026-07-30 16:27 UTCEPSS rescore
  74. 2026-07-30 13:18 UTCEG score recompute
  75. 2026-07-30 13:18 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2025-3110?
CVE-2025-3110 is a high vulnerability published on July 8, 2026. OpenVPN Access Server 2.7.2 through 3.1.0 accepts bare line-feed sequences inside HTTP header values, allowing remote attackers to perform HTTP request smuggling when deployed behind a reverse proxy
When was CVE-2025-3110 disclosed?
CVE-2025-3110 was first published in the National Vulnerability Database on July 8, 2026, with the most recent update on July 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-3110 actively exploited?
CVE-2025-3110 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 63.1% of all scored CVEs.
What is the CVSS score of CVE-2025-3110?
CVE-2025-3110 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2025-3110?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-3110, 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

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