CVE-2025-12357: International Standards Organization ISO 15118-2 Improper Restriction of Communication Channel to Intended Endpoints

Severity: medium (CVSS 6.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-10-31 · updated 2026-10-07
Weakness: CWE-923

Description

By manipulating the Signal Level Attenuation Characterization (SLAC) protocol with spoofed measurements, an attacker can stage a man-in-the-middle attack between an electric vehicle and chargers that comply with the ISO 15118-2 part. This vulnerability may be exploitable wirelessly, within close proximity, via electromagnetic induction.

Affected products

ISO 15118-2 Network and Application Protocol Requirements EV Car Chargers: Part 15118-2 Network and Application Protocol Requirements

References

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2025/icsa-25-303-01.json
https://www.cisa.gov/news-events/ics-advisories/icsa-25-303-01
https://www.iec.ch/contact?id=40499

Get alerted when CVE-2025-12357 or the next vulnerability affects your stack