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TI-2024-26531 Aliases CVE-2024-39601GHSA-6v56-9m73-2rm4

Missing authentication in Siemens CPCI85 Central Processing/Communication

Priority LOW 32CWE-306Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
None · High · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-306.

Summary

A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions < V5.40), SICORE Base system (All versions < V1.4.0). Affected devices allow a remote authenticated user or an unauthenticated user with physical access to downgrade the firmware of the device. This could allow an attacker to downgrade the device to older versions with known vulnerabilities.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00524 44th percentileScored 2026-11-07
Fix Fixed CPCI85 Central Processing/Communication (Siemens): V5.40SICORE Base system (Siemens): V1.4.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SiemensCPCI85 Central Processing/Communicationbefore V5.40V5.40Patch availableCNA
SiemensSICORE Base systembefore V1.4.0V1.4.0Patch availableCNA
  • CPCI85 Central Processing/Communication VendorSiemens Affected before V5.40 Fixed in V5.40 Patch available CNA
  • SICORE Base system VendorSiemens Affected before V1.4.0 Fixed in V1.4.0 Patch available CNA

Remediation

  • Fix · CNA CPCI85 Central Processing/Communication (Siemens) Fixed in V5.40
  • Fix · CNA SICORE Base system (Siemens) Fixed in V1.4.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Siemens CPCI85 Central Processing/Communication, SICORE Base system V1.4.0, V5.40

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2024-25301 A vulnerability has been identified in CPCI85 Central Processing/Communication (All…Priority MEDIUM 48
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-39601
  2. 2026-10-03 Alias added: GHSA-6v56-9m73-2rm4

References

Other 1

  • TI-2026-20057 Authentication bypass in Fortinet FortiWeb KEVCVSS 3.1CRITICAL 9.4
  • TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-18911 Heap-based buffer overflow in Fortinet FortiSwitchManager KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-09686 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-07142 Code injection in Spring Framework KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-19919 Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints KEVCVSS 3.1CRITICAL 10.0
See all 2487 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences