CVE-2022-29528

CRITICALNVD 9.89.8—

9.8

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

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 67.1%
KEV: Not listed

Published

April 20, 2022

Last Modified

November 21, 2024

Advisory Details (5)

Auto-updated May 26, 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 v2.5.11 (contains commit 93821c0de6a7)

https://github.com/MISP/MISP/commit/93821c0de6a7dd32262ce62212773f43136ca66e

github_commit Patch Available

commit 0108f1bde211 (MISP/MISP)

Patch available: MISP/MISP v2.5.11 (contains commit 0108f1bde211)

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

Weakness Classification(1)

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

CWE-502Deserialization of Untrusted Data

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 13:11 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch

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 November 21, 2024. 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 67.1% 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-29528

Explore →

Is Your Infrastructure Affected by CVE-2022-29528?

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

Start Free Scan →Browse All CVEs

CVE-2022-29528

📅 Published

🔄 Last Modified

📋 Advisory Details (5)