CVE-2025-24008 Information disclosure in SIRIUS 3RK3 Modular Safety System (MSS)

High 8.7 Published Updated

Attackers with network access can eavesdrop on unencrypted connections to retrieve sensitive information, including safety passwords, from Siemens SIRIUS devices.

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-2025-24008?

CVE-2025-24008 is a high-severity 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 encrypt data in transit. An attacker with network access could eavesdrop the connection and retrieve sensitive information, including obfuscated safety passwords.

Weakness: CWE-311

Which versions are affected by CVE-2025-24008?

How do I fix CVE-2025-24008?

No fix has been published for CVE-2025-24008 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-24008 being exploited?

There is no known exploitation of CVE-2025-24008 in the wild and no public exploit code.

Sources

Also known as GHSA-8c82-4285-724r.

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