High severity · published Apr 12, 2022
CVE-2022-27261
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…
7.5
CVSS
1.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 72% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EX
Express-fileupload · Express-fileupload Project
1.3.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-27261
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-27261
Third Party Advisory
https://www.npmjs.com/package/express-fileupload
Exploit
https://www.youtube.com/watch?v=3ROHB3ck4tA
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