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TI-2024-30435 Aliases CVE-2024-45386GHSA-4688-8pmg-jw5w

Insufficient session expiration in Siemens SIMATIC PCS neo V4.0

Priority MEDIUM 40CWE-613Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-613.

Summary

A vulnerability has been identified in SIMATIC PCS neo V4.0 (All versions), SIMATIC PCS neo V4.1 (All versions < V4.1 Update 2), SIMATIC PCS neo V5.0 (All versions < V5.0 Update 1), SIMOCODE ES V19 (All versions < V19 Update 1), SIRIUS Safety ES V19 (TIA Portal) (All versions < V19 Update 1), SIRIUS Soft Starter ES V19 (TIA Portal) (All versions < V19 Update 1), TIA Administrator (All versions < V3.0.4). Affected products do not correctly invalidate user sessions upon user logout. This could allow a remote unauthenticated attacker, who has obtained the session token by other means, to re-use a legitimate user's session even after logout.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00556 46th percentileScored 2026-11-07
Fix Fixed SIMATIC PCS neo V4.1 (Siemens): V4.1 Update 2SIMATIC PCS neo V5.0 (Siemens): V5.0 Update 1+4 more products

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

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

Affected products

VendorProductAffected versionsFixed inStatusSource
SiemensSIMATIC PCS neo V4.0all versions—No fix listedCNA
SiemensSIMATIC PCS neo V4.1before V4.1 Update 2V4.1 Update 2Patch availableCNA
SiemensSIMATIC PCS neo V5.0before V5.0 Update 1V5.0 Update 1Patch availableCNA
SiemensSIMOCODE ES V19before V19 Update 1V19 Update 1Patch availableCNA
SiemensSIRIUS Safety ES V19 (TIA Portal)before V19 Update 1V19 Update 1Patch availableCNA
SiemensSIRIUS Soft Starter ES V19 (TIA Portal)before V19 Update 1V19 Update 1Patch availableCNA
SiemensTIA Administratorbefore V3.0.4V3.0.4Patch availableCNA
  • SIMATIC PCS neo V4.0 VendorSiemens Affected all versions Fixed in — No fix listed CNA
  • SIMATIC PCS neo V4.1 VendorSiemens Affected before V4.1 Update 2 Fixed in V4.1 Update 2 Patch available CNA
  • SIMATIC PCS neo V5.0 VendorSiemens Affected before V5.0 Update 1 Fixed in V5.0 Update 1 Patch available CNA
  • SIMOCODE ES V19 VendorSiemens Affected before V19 Update 1 Fixed in V19 Update 1 Patch available CNA
  • SIRIUS Safety ES V19 (TIA Portal) VendorSiemens Affected before V19 Update 1 Fixed in V19 Update 1 Patch available CNA
  • SIRIUS Soft Starter ES V19 (TIA Portal) VendorSiemens Affected before V19 Update 1 Fixed in V19 Update 1 Patch available CNA
  • TIA Administrator VendorSiemens Affected before V3.0.4 Fixed in V3.0.4 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:siemens:tia_administrator:*:*:*:*:*:*:*:*——Siemens
  • cpe:2.3:a:siemens:tia_administrator:*:*:*:*:*:*:*:* Versions — — ·Siemens

Remediation

  • Fix · CNA SIMATIC PCS neo V4.1 (Siemens) Fixed in V4.1 Update 2
  • Fix · CNA SIMATIC PCS neo V5.0 (Siemens) Fixed in V5.0 Update 1
  • Fix · CNA SIMOCODE ES V19 (Siemens) Fixed in V19 Update 1
  • Fix · CNA SIRIUS Safety ES V19 (TIA Portal) (Siemens) Fixed in V19 Update 1
  • Fix · CNA SIRIUS Soft Starter ES V19 (TIA Portal) (Siemens) Fixed in V19 Update 1
  • Fix · CNA TIA Administrator (Siemens) Fixed in V3.0.4

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-45386
  2. 2026-10-03 Alias added: GHSA-4688-8pmg-jw5w

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