CVE-2022-29623

HIGHNVD 7.87.8—

7.8

An arbitrary file upload vulnerability in the file upload module of Express Connect-Multiparty 2.2.0 allows attackers to execute arbitrary code via a crafted PDF file. NOTE: the Supplier has not verified this vulnerability report.

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 63.9%
KEV: Not listed

Published

May 16, 2022

Last Modified

May 20, 2025

References (4)

cve@mitrehttps://github.com/expressjs/connect-multiparty/releases/tag/2.2.0
cve@mitrehttps://www.npmjs.com/package/connect-multiparty
cve@mitrehttps://www.youtube.com/watch?v=i3xJR-91rrM
af854a3a-2127-422b-91ae-364da2661108https://www.youtube.com/watch?v=i3xJR-91rrM

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
npm	connect-multiparty	—	ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)

npm(1)

Package	Vulnerable range	Fixed in	Dependents
connect-multiparty	—	—	—

Weakness Classification(1)

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

CWE-434Unrestricted Upload of File with Dangerous Type

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.

2026-06-05 06:09 UTCepss_batch
2026-06-05 06:09 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
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2026-06-02 20:11 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
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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
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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-2022-29623?

CVE-2022-29623 is a high vulnerability published on May 16, 2022. An arbitrary file upload vulnerability in the file upload module of Express Connect-Multiparty 2.2.0 allows attackers to execute arbitrary code via a crafted PDF file. NOTE: the Supplier has not verified this vulnerability report.

When was CVE-2022-29623 disclosed?

CVE-2022-29623 was first published in the National Vulnerability Database on May 16, 2022, with the most recent update on May 20, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-29623 actively exploited?

CVE-2022-29623 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 63.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-29623?

CVE-2022-29623 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2022-29623?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-29623, 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-2022-29623

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CVE-2022-29623

📅 Published

🔄 Last Modified

🔗 References (4)