CVE-2025-59321

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-12. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: None knownExposed: 0

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

CPSD CryptoPro Secure Disk for Bitlocker before v7.7.4 contains a default TPM PCR policy that fails to consider the system boot state. This allows the TPM to be unsealed via an unintended execution path or from another hardware platform.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
59(Track)
EG Risk 59/100SSVC: 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
Severity98% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
43%
KEV
Not listed

Published

August 12, 2026

Last Modified

August 13, 2026

Advisory Details (3)

Auto-updated Aug 20, 2026
No patch confirmed yet.
generic

Blog - CPSD

https://www.cpsd.at/blog/
generic
https://i.blackhat.com/BH-USA-26/Presentations/US-26-Burch-The-Cost-of-Obscurity-wp.pdf
generic
https://i.blackhat.com/BH-USA-26/Presentations/US-26-Burch-The-Cost-of-Obscurity-Wednesday.pdf

Vendor Advisories for CVE-2025-59321(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 56× in last 7d / 69× 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.

  1. 2026-08-21 02:02 UTCEG score recompute
  2. 2026-08-21 02:02 UTCGHSA enrichment
  3. 2026-08-20 22:54 UTCEPSS rescore
  4. 2026-08-20 22:06 UTCGHSA enrichment
  5. 2026-08-20 18:11 UTCGHSA enrichment
  6. 2026-08-20 14:16 UTCGHSA enrichment
  7. 2026-08-20 10:18 UTCGHSA enrichment
  8. 2026-08-20 06:24 UTCGHSA enrichment
  9. 2026-08-20 02:29 UTCGHSA enrichment
  10. 2026-08-19 22:34 UTCGHSA enrichment
  11. 2026-08-19 18:39 UTCEG score recompute
  12. 2026-08-19 18:39 UTCGHSA enrichment
  13. 2026-08-19 17:03 UTCEPSS rescore
  14. 2026-08-19 14:43 UTCGHSA enrichment
  15. 2026-08-19 10:48 UTCGHSA enrichment
  16. 2026-08-19 06:53 UTCGHSA enrichment
  17. 2026-08-19 02:58 UTCGHSA enrichment
  18. 2026-08-18 23:03 UTCGHSA enrichment
  19. 2026-08-18 19:09 UTCGHSA enrichment
  20. 2026-08-18 15:13 UTCEG score recompute
  21. 2026-08-18 15:13 UTCGHSA enrichment
  22. 2026-08-18 13:47 UTCEPSS rescore
  23. 2026-08-18 11:00 UTCGHSA enrichment
  24. 2026-08-18 07:04 UTCGHSA enrichment
  25. 2026-08-18 03:06 UTCGHSA enrichment
Show 44 more
  1. 2026-08-17 23:11 UTCGHSA enrichment
  2. 2026-08-17 19:15 UTCGHSA enrichment
  3. 2026-08-17 14:33 UTCEG score recompute
  4. 2026-08-17 14:33 UTCGHSA enrichment
  5. 2026-08-17 13:46 UTCEPSS rescore
  6. 2026-08-17 10:38 UTCGHSA enrichment
  7. 2026-08-17 06:43 UTCGHSA enrichment
  8. 2026-08-17 02:49 UTCGHSA enrichment
  9. 2026-08-16 22:54 UTCGHSA enrichment
  10. 2026-08-16 18:59 UTCGHSA enrichment
  11. 2026-08-16 14:58 UTCEG score recompute
  12. 2026-08-16 14:58 UTCGHSA enrichment
  13. 2026-08-16 14:55 UTCEPSS rescore
  14. 2026-08-16 11:03 UTCGHSA enrichment
  15. 2026-08-16 07:08 UTCGHSA enrichment
  16. 2026-08-16 03:14 UTCEG score recompute
  17. 2026-08-16 03:14 UTCGHSA enrichment
  18. 2026-08-16 02:13 UTCEPSS rescore
  19. 2026-08-15 23:19 UTCGHSA enrichment
  20. 2026-08-15 19:24 UTCGHSA enrichment
  21. 2026-08-15 15:29 UTCGHSA enrichment
  22. 2026-08-15 11:34 UTCGHSA enrichment
  23. 2026-08-15 07:39 UTCGHSA enrichment
  24. 2026-08-15 03:44 UTCEG score recompute
  25. 2026-08-15 03:44 UTCGHSA enrichment
  26. 2026-08-15 01:29 UTCEPSS rescore
  27. 2026-08-14 23:49 UTCGHSA enrichment
  28. 2026-08-14 19:54 UTCGHSA enrichment
  29. 2026-08-14 16:00 UTCGHSA enrichment
  30. 2026-08-14 12:05 UTCGHSA enrichment
  31. 2026-08-14 08:10 UTCGHSA enrichment
  32. 2026-08-14 04:16 UTCGHSA enrichment
  33. 2026-08-14 00:21 UTCEG score recompute
  34. 2026-08-14 00:21 UTCGHSA enrichment
  35. 2026-08-13 21:59 UTCEPSS rescore
  36. 2026-08-13 20:26 UTCEG score recompute
  37. 2026-08-13 20:26 UTCGHSA enrichment
  38. 2026-08-13 16:31 UTCGHSA enrichment
  39. 2026-08-13 15:58 UTCEG score recompute▲ 9.80
  40. 2026-08-13 15:58 UTCGHSA enrichment
  41. 2026-08-13 15:56 UTCMITRE cvelistV5CVSS v3 → 9.8 · severity → CRITICAL
  42. 2026-08-12 15:25 UTCNVD update
  43. 2026-08-12 14:29 UTCEG score recompute
  44. 2026-08-12 14:28 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2025-59321?
CVE-2025-59321 is a critical vulnerability published on August 12, 2026. CPSD CryptoPro Secure Disk for Bitlocker before v7.7.4 contains a default TPM PCR policy that fails to consider the system boot state. This allows the TPM to be unsealed via an unintended execution path or from another hardware platform.
When was CVE-2025-59321 disclosed?
CVE-2025-59321 was first published in the National Vulnerability Database on August 12, 2026, with the most recent update on August 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-59321 actively exploited?
CVE-2025-59321 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 57.1% of all scored CVEs.
What is the CVSS score of CVE-2025-59321?
CVE-2025-59321 has a CVSS v3.1 base score of 9.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2025-59321?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-59321, 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-2025-59321

Explore →

Is Your Infrastructure Affected by CVE-2025-59321?

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

Start Free Scan →Browse All CVEs