CVE-2022-29528

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-04-22. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 2%CVSS: 9.8Exploit: NoneExposed: 0

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

An issue was discovered in MISP before 2.4.158. PHAR deserialization can occur.

CVSS v3
9.8
EG Score
9.8(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
Severity98% × 45%
Exploitation2% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
80.1%
KEV
Not listed

Published

April 20, 2022

Last Modified

June 22, 2026

Advisory Details (5)

Auto-updated Jul 12, 2026
Patch available. Sources: github_commit.
generic

CakePHP Application Cybersecurity Research - Exploring the PHAR Deserialization PHP Vulnerability: A White Box Testing Example | Web Application Security Testing

https://zigrin.com/cakephp-application-cybersecurity-research-exploring-the-phar-deserialization-php-vulnerability-a-white-box-testing-example/
generic Patch Available

MISP - PHAR deserialization | Web Application Security Testing

https://zigrin.com/advisories/misp-phar-deserialization/
generic

Comparing v2.4.157...v2.4.158 · MISP/MISP · GitHub

https://github.com/MISP/MISP/compare/v2.4.157...v2.4.158
github_commit Patch Available

commit 93821c0de6a7 (MISP/MISP)

Patch available: MISP/MISP v2.5.13 (contains commit 93821c0de6a7)

https://github.com/MISP/MISP/commit/93821c0de6a7dd32262ce62212773f43136ca66e
github_commit Patch Available

commit 0108f1bde211 (MISP/MISP)

Patch available: MISP/MISP v2.5.13 (contains commit 0108f1bde211)

https://github.com/MISP/MISP/commit/0108f1bde2117ac5c1e28d124128f60c8bb09a8e

Vendor Advisories for CVE-2022-29528(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 15× in last 7d / 48× 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 111 total refreshes for this CVE.

  1. 2026-07-23 14:16 UTCEPSS rescore
  2. 2026-07-23 14:16 UTCEPSS rescore
  3. 2026-07-23 02:10 UTCEG score recompute
  4. 2026-07-22 22:57 UTCEG score recompute
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  15. 2026-07-17 14:59 UTCOSV refresh
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  1. 2026-07-09 19:07 UTCEPSS rescore
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  3. 2026-07-07 13:44 UTCEPSS rescore
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  8. 2026-07-05 02:28 UTCEPSS rescore
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  15. 2026-06-29 14:04 UTCEPSS rescore
  16. 2026-06-29 13:23 UTCOSV refresh
  17. 2026-06-28 14:06 UTCEPSS rescore
  18. 2026-06-28 04:54 UTCEPSS rescore
  19. 2026-06-27 03:07 UTCEPSS rescore
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  22. 2026-06-24 14:03 UTCEPSS rescore
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  24. 2026-06-23 21:31 UTCEPSS rescore
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  26. 2026-06-22 14:24 UTCEPSS rescore
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  28. 2026-06-21 14:55 UTCEPSS rescore
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  40. 2026-06-15 17:46 UTCEPSS rescore
  41. 2026-06-14 23:15 UTCEPSS rescore
  42. 2026-06-13 22:58 UTCEPSS rescore
  43. 2026-06-12 23:10 UTCEPSS rescore
  44. 2026-06-12 23:10 UTCEPSS rescore
  45. 2026-06-12 03:57 UTCOSV refresh
  46. 2026-06-11 13:58 UTCEPSS rescore
  47. 2026-06-11 13:58 UTCEPSS rescore
  48. 2026-06-10 22:16 UTCEPSS rescore
  49. 2026-06-10 13:20 UTCEPSS rescore
  50. 2026-06-08 14:15 UTCEPSS rescore
  51. 2026-06-08 14:15 UTCEPSS rescore
  52. 2026-06-07 15:23 UTCEPSS rescore
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  54. 2026-06-07 15:23 UTCEPSS rescore
  55. 2026-06-06 13:46 UTCEPSS rescore
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  57. 2026-06-05 22:45 UTCEPSS rescore
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  59. 2026-06-05 06:09 UTCEPSS rescore
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  61. 2026-06-04 13:11 UTCEPSS rescore
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  66. 2026-06-01 13:50 UTCEPSS rescore
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  68. 2026-05-31 22:29 UTCEPSS rescore
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  71. 2026-05-31 00:15 UTCEPSS rescore
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  73. 2026-05-29 13:43 UTCEPSS rescore
  74. 2026-05-29 13:42 UTCEPSS rescore
  75. 2026-05-28 13:43 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2022-29528?
CVE-2022-29528 is a critical vulnerability published on April 20, 2022. An issue was discovered in MISP before 2.4.158. PHAR deserialization can occur.
When was CVE-2022-29528 disclosed?
CVE-2022-29528 was first published in the National Vulnerability Database on April 20, 2022, with the most recent update on June 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-29528 actively exploited?
CVE-2022-29528 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 80.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2022-29528?
CVE-2022-29528 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2022-29528?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-29528, 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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