Home/CVE/An arbitrary file write vulnerability in Express-FileUpload v1.3.1 allows attackers to upload multiple files with the sa
CVE

CVE-2022-27261

An arbitrary file write vulnerability in Express-FileUpload v1.3.1 allows attackers to upload multiple files with the sa

An arbitrary file write vulnerability in Express-FileUpload v1.3.1 allows attackers to upload multiple files with the same name, causing an overwrite of files in the web application server.

HIGH · CVSS 7.5 EPSS 0.00377
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  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-434Unrestricted Upload of File with Dangerous Type
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Affected Products & Versions

1
express-fileupload project express-fileuploadall versions
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Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
npm express-fileupload HIGH
⚠

Public Exploits & PoCs

1
pocwww.youtube.com · watch?v=3ROHB3ck4tAwww.youtube.com
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Apr 2022 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.npmjs.com/package/express-fileuploadThird Party Advisory
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