Vulnerability · Published Jul 25, 2022 · Assigned by Hitachi Energy
CVE-2021-40336HTTP Response Splitting in Hitachi Energy’s MSM Product
Medium 5.0
In plain English
A medium-severity security flaw in MSM from Hitachi Energy. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).
Official description
A vulnerability exists in the http web interface where the web interface does not validate data in an HTTP header. This causes a possible HTTP response splitting, which if exploited could lead an attacker to channel down harmful code into the user’s web browser, such as to steal the session cookies. Thus, an attacker who successfully makes an MSM user who has already established a session to MSM web interface clicks a forged link to the MSM web interface, e.g., the link is sent per E-Mail, could trick the user into downloading malicious software onto his computer. This issue affects: Hitachi Energy MSM V2.2 and prior versions.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Hitachi Energy | MSM | v2.2 – through V2.2 |
Weakness: CWE-113 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L