HTTP response splitting in Modular Switchgear Monitoring (MSM) - CVE-2021-40336

 

HTTP response splitting in Modular Switchgear Monitoring (MSM) - CVE-2021-40336

Published: October 5, 2022


Vulnerability identifier: #VU67919
CSH Severity: Medium
CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-40336
CWE-ID: CWE-113
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform HTTP splitting attacks.

The vulnerability exists due to software does not corrector process CRLF character sequences. A remote attacker can send specially crafted request containing CRLF sequence and make the application to send a split HTTP response.

Successful exploitation of the vulnerability may allow an attacker perform cache poisoning attack.


Affected software

Modular Switchgear Monitoring (MSM)

How to mitigate CVE-2021-40336

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.


External References

Related Security Bulletins