Uncaught Exception in multer - CVE-2025-48997

 

Uncaught Exception in multer - CVE-2025-48997

Published: July 25, 2025


Vulnerability identifier: #VU113227
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-48997
CWE-ID: CWE-248
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Express.js
Affected software:
multer

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to unhandled exception, leading to a crash of the process. A remote attacker can trigger a Denial of Service (DoS) by sending an upload file request with an empty string field name. This request causes an unhandled exception, leading to a crash of the process.


How to mitigate CVE-2025-48997

Install updates from vendor's website.

Sources