PT-2025-20848 · Siemens · Sirius 3Rk3 Modular Safety System+1

Published 2025-05-13 · Updated 2025-05-18 · CVE-2025-24007

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:C/I:N/A:N

Name of the Vulnerable Software and Affected Versions: SIRIUS 3RK3 Modular Safety System (MSS) (All versions) SIRIUS Safety Relays 3SK2 (All versions)

Description: A vulnerability has been identified where affected devices only provide weak password obfuscation. An attacker with network access could retrieve and de-obfuscate the safety password used for protection against inadvertent operating errors.

Recommendations: For SIRIUS 3RK3 Modular Safety System (MSS), consider changing the password to a stronger one and restricting network access to minimize the risk of exploitation. For SIRIUS Safety Relays 3SK2, consider changing the password to a stronger one and restricting network access to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Use of a Broken Cryptographic Algorithm

Weakness Enumeration

CWE-327

Related Identifiers

BDU:2025-06753

CVE-2025-24007

Affected Products

Sirius 3Rk3 Modular Safety System

Sirius Safety Relays 3Sk2

References · 5

• https://bdu.fstec.ru/vul/2025-06753 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-24007 · Security Note
• https://twitter.com/CVEnew/status/1922228945367212153 · Twitter Post
• https://cert-portal.siemens.com/productcert/html/ssa-222768.html · Note
• https://twitter.com/cracbot/status/1924057487797551272 · Twitter Post