Vulnerability identifier: #VU67919

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L/E:U/RL:U/RC:C]

CVE-ID: CVE-2021-40336

CWE-ID: CWE-113

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Modular Switchgear Monitoring (MSM)
Hardware solutions / Other hardware appliances

Vendor: Hitachi Energy

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.

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

Vulnerable software versions

Modular Switchgear Monitoring (MSM): 2.2

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External links
http://search.abb.com/library/Download.aspx?DocumentID=8DBD000085&LanguageCode=en&DocumentPartId=&Action=Launch
http://www.cisa.gov/uscert/ics/advisories/icsa-22-277-02

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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.