HTTP response splitting in Modular Switchgear Monitoring (MSM) - CVE-2021-40336
Published: October 5, 2022
Vulnerability identifier: #VU67919
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2021-40336
CWE-ID: CWE-113
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Hitachi Energy
Affected software:
Modular Switchgear Monitoring (MSM)
Modular Switchgear Monitoring (MSM)
Detailed vulnerability description
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.
How to mitigate CVE-2021-40336
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.