CVE-2025-40897

HIGHPre-NVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-04-17. the CNA's CVSS baseline 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:nozomi, epss, ghsa
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.1Exploit: None knownExposed: 0

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

An access control vulnerability was discovered in the Threat Intelligence functionality due to a specific access restriction not being properly enforced for users with view-only privileges. An authenticated user with view-only privileges for the Threat Intelligence functionality can perform administrative actions on it, altering the rules configuration, and/or affecting their availability.

CVSS v3
8.1
EG Score
8.1(medium)
EG Risk
37(Track)
EG Risk 37/100SSVC: 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
Severity81% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
25%
KEV
Not listed

Published

April 15, 2026

Last Modified

August 11, 2026

Advisory Details (2)

Auto-updated May 12, 2026
No patch confirmed yet.
generic

SSA-827968

https://cert-portal.siemens.com/productcert/html/ssa-827968.html
generic

NN-2026:1-01 - Incorrect authorization for Threat Intelligence in Guardian/CMC before 26.0.0 - CVE-2025-40897 | Product Security Incident Response Portal

https://security.nozominetworks.com/NN-2026:1-01

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 26× 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 200 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2025-40897?
CVE-2025-40897 is a high vulnerability published on April 15, 2026. An access control vulnerability was discovered in the Threat Intelligence functionality due to a specific access restriction not being properly enforced for users with view-only privileges. An authenticated user with view-only privileges for the Threat Intelligence functionality can perform…
When was CVE-2025-40897 disclosed?
CVE-2025-40897 was first published in the National Vulnerability Database on April 15, 2026, with the most recent update on August 11, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-40897 actively exploited?
CVE-2025-40897 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 74.6% of all scored CVEs.
What is the CVSS score of CVE-2025-40897?
CVE-2025-40897 has a CVSS v4.0 base score of 8.1 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2025-40897?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-40897, 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-2025-40897

Explore →

Is Your Infrastructure Affected by CVE-2025-40897?

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

Start Free Scan →Browse All CVEs