Improper check for unusual or exceptional conditions in http-proxy-middleware



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2025-32997
CWE-ID CWE-754
Exploitation vector Network
Public exploit N/A
Vulnerable software
 http-proxy-middleware
Web applications / JS libraries

Vendor Steven Chim

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper Check for Unusual or Exceptional Conditions

EUVDB-ID: #VU108924

Risk: Medium

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-32997

CWE-ID: CWE-754 - Improper Check for Unusual or Exceptional Conditions

Exploit availability: No

Description

The vulnerability allows a remote attacker to modify data on the system.

The vulnerability exists due to improper error handling. A remote attacker can send specially crafted data to the application and modify data on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

http-proxy-middleware: 0.0.5 - 3.0.4

CPE2.3 External links

https://github.com/chimurai/http-proxy-middleware/commit/1bdccbeec243850f1d2bb50ea0ff2151e725d67e
https://github.com/chimurai/http-proxy-middleware/pull/1096
https://github.com/chimurai/http-proxy-middleware/releases/tag/v2.0.9
https://github.com/chimurai/http-proxy-middleware/releases/tag/v3.0.5


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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