CVE-2023-35120: PiiGAB M-Bus Cross-Site Request Forgery

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-07-07 · updated 2026-06-17
Weakness: CWE-352

Description

PiiGAB M-Bus is vulnerable to cross-site request forgery. An attacker who wants to execute a certain command could send a phishing mail to the owner of the device and hope that the owner clicks on the link. If the owner of the device has a cookie stored that allows the owner to be logged in, then the device could execute the GET or POST link request.

Affected products

PiiGAB M-Bus SoftwarePack: all versions

References

https://www.cisa.gov/news-events/ics-advisories/icsa-23-187-01
https://www.cisa.gov/news-events/ics-advisories/icsa-23-187-01

Get alerted when CVE-2023-35120 or the next vulnerability affects your stack