CVE-2021-40336 Explained : Impact and Mitigation
Get insights into the CVE-2021-40336 vulnerability in Hitachi Energy's MSM product due to HTTP response splitting. Learn the impact, affected systems, mitigation steps, and security practices.
This CVE article provides details about a vulnerability in Hitachi Energy's MSM product due to HTTP response splitting.
Understanding CVE-2021-40336
This section will cover the impact, technical details, and mitigation strategies for CVE-2021-40336.
What is CVE-2021-40336?
A vulnerability in Hitachi Energy's MSM product allows for HTTP response splitting via the web interface, potentially leading to harmful code execution in a user's browser.
The Impact of CVE-2021-40336
The vulnerability has a CVSS v3.1 base score of 5 (Medium severity) with high attack complexity and network attack vector. It could lead to session cookie theft and downloading malicious software.
Technical Details of CVE-2021-40336
This section delves into vulnerability description, affected systems, and exploitation mechanism.
Vulnerability Description
The HTTP web interface of Hitachi Energy's MSM product fails to validate data in an HTTP header, enabling HTTP response splitting.
Affected Systems and Versions
- Affected Product: MSM
- Vendor: Hitachi Energy
- Affected Version: v2.2 (and prior versions)
Exploitation Mechanism
The attacker can trick a user into clicking a forged link, leading to malicious software download.
Mitigation and Prevention
Get insights into immediate steps and long-term security practices to prevent exploitation of the vulnerability.
Immediate Steps to Take
- Apply the mitigation strategy outlined in the advisory.
Long-Term Security Practices
- Regularly update the MSM product with security patches.
Patching and Updates
Stay vigilant with patching routines to ensure systems remain protected.