What’s Vulnerable › Vulnerabilities

CVE-2024-22040

• Severity: high (CVSS 7.5 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: 2024-03-12 · updated 2026-06-17
• Weakness: CWE-125

Description

A vulnerability has been identified in Cerberus PRO EN Engineering Tool (All versions), Cerberus PRO EN Fire Panel FC72x IP6 (All versions), Cerberus PRO EN Fire Panel FC72x IP7 (All versions), Cerberus PRO EN Fire Panel FC72x IP8 (All versions < IP8 SR4), Cerberus PRO EN X200 Cloud Distribution IP7 (All versions), Cerberus PRO EN X200 Cloud Distribution IP8 (All versions < V4.3.5618), Cerberus PRO EN X300 Cloud Distribution IP7 (All versions), Cerberus PRO EN X300 Cloud Distribution IP8 (All versions < V4.3.5617), Cerberus PRO UL Compact Panel FC922/924 (All versions < MP4), Cerberus PRO UL Engineering Tool (All versions < MP4), Cerberus PRO UL X300 Cloud Distribution (All versions < V4.3.0001), Desigo Fire Safety UL Compact Panel FC2025/2050 (All versions < MP4), Desigo Fire Safety UL Engineering Tool (All versions < MP4), Desigo Fire Safety UL X300 Cloud Distribution (All versions < V4.3.0001), Sinteso FS20 EN Engineering Tool (All versions), Sinteso FS20 EN Fire Panel FC20 MP6 (All versions), Sinteso FS20 EN Fire Panel FC20 MP7 (All versions), Sinteso FS20 EN Fire Panel FC20 MP8 (All versions < MP8 SR4), Sinteso FS20 EN X200 Cloud Distribution MP7 (All versions), Sinteso FS20 EN X200 Cloud Distribution MP8 (All versions < V4.3.5618), Sinteso FS20 EN X300 Cloud Distribution MP7 (All versions), Sinteso FS20 EN X300 Cloud Distribution MP8 (All versions < V4.3.5617), Sinteso Mobile (All versions). The network communication library in affected systems insufficiently validates HMAC values which might result in a buffer overread. This could allow an unauthenticated remote attacker to crash the network service.

Affected products

• Siemens Cerberus PRO EN Engineering Tool: all versions
• Siemens Cerberus Pro En Fire Panel Fc72X: all versions
• Siemens Cerberus Pro En X200 Cloud Distribution: all versions
• Siemens Cerberus Pro En X300 Cloud Distribution: all versions
• Siemens Cerberus Pro Ul Compact Panel: all versions
• Siemens Cerberus PRO UL Engineering Tool: all versions
• Siemens Cerberus Pro Ul X300 Cloud: all versions
• Siemens Desigo Fire Safety Ul Compact Panel: before mp4 — fixed in mp4
• Siemens Desigo Fire Safety UL Engineering Tool: before v4.3.0001 — fixed in v4.3.0001
• Siemens Sinteso FS20 EN Engineering Tool: all versions
• Siemens Sinteso Fs20 En Fire Panel Fc20: all versions
• Siemens Sinteso Fs20 En X200 Cloud Distribution: all versions
• Siemens Sinteso Fs20 En X300 Cloud Distribution: all versions
• Siemens Sinteso Mobile: all versions

How to fix

Upgrade to a fixed version: Siemens Desigo Fire Safety Ul Compact Panel mp4; Siemens Desigo Fire Safety UL Engineering Tool v4.3.0001. Check the vendor advisory for mitigations.

References

• https://cert-portal.siemens.com/productcert/html/ssa-225840.html
• https://cert-portal.siemens.com/productcert/html/ssa-953710.html
• https://cert-portal.siemens.com/productcert/html/ssa-225840.html
• https://cert-portal.siemens.com/productcert/html/ssa-953710.html

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