CVE-2022-29623 json
Connect-Multiparty allows arbitrary file upload
published 2022-05-16 4 y ago modified 2026-06-17 4 mo ago also GHSA-w2xw-44r3-4v9g , EUVD-2022-33953
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 72%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Exploit prediction
1.38% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- youtube.com https://www.youtube.com/watch?v=i3xJR-91rrM referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
| GitHub | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | connect-multiparty | <=2.2.0 |
no fix listed |
Classification
- Weakness
-
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
-
youtube.com
/watch?v=i3xJR-91rrM
web, exploit, third-party-advisory
-
github.com
/expressjs/connect-multiparty/releases/tag/2.2.0
web
-
npmjs.com
/package/connect-multiparty
web
-
nvd.nist.gov
/vuln/detail/CVE-2022-29623
advisory
-
github.com
/expressjs/connect-multiparty
package
Sources
- CVE List CVE-2022-29623
- GitHub Advisory GHSA-w2xw-44r3-4v9g
- NVD CVE-2022-29623
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