CVE-2025-24009 Missing authorization in SIRIUS 3RK3 Modular Safety System (MSS)
An attacker with network access can retrieve sensitive information, including obfuscated safety passwords, from Siemens SIRIUS safety devices without authentication.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-24009?
CVE-2025-24009 is a high-severity missing authorization vulnerability in Siemens SIRIUS 3RK3 Modular Safety System (MSS), published on 13 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability has been identified in SIRIUS 3RK3 Modular Safety System (MSS) (All versions), SIRIUS Safety Relays 3SK2 (All versions). The affected devices do not require authentication to access critical resources. An attacker with network access could retrieve sensitive information from certain data records, including obfuscated safety passwords.
Weakness: CWE-732
Which versions are affected by CVE-2025-24009?
How do I fix CVE-2025-24009?
No fix has been published for CVE-2025-24009 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-24009 being exploited?
There is no known exploitation of CVE-2025-24009 in the wild and no public exploit code.
Sources
Also known as GHSA-x7gm-r2wp-mg4v.