VDB-304693 · CVE-2025-32996 · EUVD-2025-11356

chimurai http-proxy-middleware up to 2.0.7/3.0.3 writeBody control flow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.3	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in chimurai http-proxy-middleware up to 2.0.7/3.0.3. This issue affects the function writeBody. This manipulation causes control flow. This vulnerability appears as CVE-2025-32996. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in chimurai http-proxy-middleware up to 2.0.7/3.0.3. It has been declared as problematic. Affected by this vulnerability is the function writeBody. The manipulation with an unknown input leads to a control flow vulnerability. The CWE definition for the vulnerability is CWE-670. The code contains a control flow path that does not reflect the algorithm that the path is intended to implement, leading to incorrect behavior any time this path is navigated. As an impact it is known to affect availability. The summary by CVE is:

In http-proxy-middleware before 2.0.8 and 3.x before 3.0.4, writeBody can be called twice because "else if" is not used.

The advisory is shared at github.com. This vulnerability is known as CVE-2025-32996 since 04/15/2025. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 264713 (Linux Distros Unpatched Vulnerability : CVE-2025-32996), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 2.0.8 or 3.0.4 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 020976044d113fc0bcbbaf995e91d05e2829a145 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (264713), EUVD (EUVD-2025-11356) and CERT Bund (WID-SEC-2025-0998). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

IBM App Connect Enterprise
IBM Business Automation Workflow

Productinfo

Type

Middleware

Vendor

chimurai

Name

http-proxy-middleware

Version

License

open-source

Website

Product: https://github.com/chimurai/http-proxy-middleware/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CNA Base Score: 4.0
CNA Vector (MITRE): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Control flow
CWE: CWE-670
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 264713
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-32996

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: http-proxy-middleware 2.0.8/3.0.4
Patch: 020976044d113fc0bcbbaf995e91d05e2829a145

Timelineinfo

04/15/2025 🔍
04/15/2025 +0 days 🔍
04/15/2025 +0 days 🔍
10/22/2025 +189 days 🔍

Sourcesinfo

Product: github.com

Advisory: 020976044d113fc0bcbbaf995e91d05e2829a145
Status: Confirmed

CVE: CVE-2025-32996 (🔍)
GCVE (CVE): GCVE-0-2025-32996
GCVE (VulDB): GCVE-100-304693
EUVD: 🔍
CERT Bund: WID-SEC-2025-0998 - IBM App Connect Enterprise Certified Container: Mehrere Schwachstellen

Entryinfo

Created: 04/15/2025 14:23
Updated: 10/22/2025 01:52
Changes: 04/15/2025 14:23 (68), 05/24/2025 21:43 (1), 08/10/2025 20:51 (7), 09/14/2025 22:58 (2), 10/22/2025 01:52 (12)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.