CVE-2024-45386
highpriority · track · 0EPSS 0.006 · 46 %ileDEEUNLRUUSEPSS · scored 2026-10-22
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.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedSIMATIC PCS neo V4.1siemens_psirt
Update to V4.1 Update 2 or later version
- FixedSIMATIC PCS neo V5.0siemens_psirt
Update to V5.0 Update 1 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977244/ - FixedSIMOCODE ES V19siemens_psirt
Update to V19 Update 1 or later version
- FixedSIRIUS Safety ES V19 (TIA Portal)siemens_psirt
Update to V19 Update 1 or later version
- FixedSIRIUS Soft Starter ES V19 (TIA Portal)siemens_psirt
Update to V19 Update 1 or later version
- FixedTIA Administratorsiemens_psirt
Update to V3.0.4 or later version
- FixedSIMATIC PCS neo V4.1cisa_csaf_ot
Update to V4.1 Update 2 or later version
- FixedSIMATIC PCS neo V5.0cisa_csaf_ot
Update to V5.0 Update 1 or later version
https://support.industry.siemens.com/cs/ww/en/view/109977244/ - FixedSIMOCODE ES V19cisa_csaf_ot
Update to V19 Update 1 or later version
- FixedSIRIUS Safety ES V19 (TIA Portal)cisa_csaf_ot
Update to V19 Update 1 or later version
- FixedSIRIUS Soft Starter ES V19 (TIA Portal)cisa_csaf_ot
Update to V19 Update 1 or later version
- FixedTIA Administratorcisa_csaf_ot
Update to V3.0.4 or later version
- MitigationSIMATIC PCS neo V4.0siemens_psirt
Close browser and client after logout and remove all locally stored session tokens
- MitigationSIMATIC PCS neo V4.1siemens_psirt
Close browser and client after logout and remove all locally stored session tokens
- MitigationSIMATIC PCS neo V5.0siemens_psirt
Close browser and client after logout and remove all locally stored session tokens
- MitigationSIMOCODE ES V19siemens_psirt
Close browser and client after logout and remove all locally stored session tokens
- MitigationSIRIUS Safety ES V19 (TIA Portal)siemens_psirt
Close browser and client after logout and remove all locally stored session tokens
- MitigationSIRIUS Soft Starter ES V19 (TIA Portal)siemens_psirt
Close browser and client after logout and remove all locally stored session tokens
- MitigationTIA Administratorsiemens_psirt
Close browser and client after logout and remove all locally stored session tokens
- MitigationSIMATIC PCS neo V4.0cisa_csaf_ot
Close browser and client after logout and remove all locally stored session tokens
- MitigationSIMATIC PCS neo V4.1cisa_csaf_ot
Close browser and client after logout and remove all locally stored session tokens
- MitigationSIMATIC PCS neo V5.0cisa_csaf_ot
Close browser and client after logout and remove all locally stored session tokens
- MitigationSIMOCODE ES V19cisa_csaf_ot
Close browser and client after logout and remove all locally stored session tokens
- MitigationSIRIUS Safety ES V19 (TIA Portal)cisa_csaf_ot
Close browser and client after logout and remove all locally stored session tokens
- MitigationSIRIUS Soft Starter ES V19 (TIA Portal)cisa_csaf_ot
Close browser and client after logout and remove all locally stored session tokens
- MitigationTIA Administratorcisa_csaf_ot
Close browser and client after logout and remove all locally stored session tokens
- No fix plannedSIMATIC PCS neo V4.0siemens_psirt
Currently no fix is planned
- No fix plannedSIMATIC PCS neo V4.0cisa_csaf_ot
Currently no fix is planned
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.3–8.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (50)
Products and version ranges known to be affected.
advisories (4)
Vendor and ecosystem advisories describing this.
- NCSC-2025-0061Kwetsbaarheden verholpen in Siemens productenNL2025-02-14csaf · ncsc_nlNL
Siemens heeft kwetsbaarheden verholpen in diverse producten als APOGEE, Opcenter, RUGGEDCOM, SCALANCE, SIMATIC, SIPROTEC en Teamcenter.
- SSA-342348SSA-342348: Insufficient Session Expiration Vulnerability in Siemens Products2025-02-11csaf · siemens_psirtDE
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. Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens recommends countermeasures for products where fixes are not, or not yet available.
- WID-SEC-W-2025-0311Siemens TIA Portal: Schwachstelle ermöglicht Umgehen von SicherheitsvorkehrungenDeutsch2025-02-10csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Siemens TIA Portal ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
- ICSA-25-044-13Siemens SIMATIC PCS neo, TIA Administrator, and TIA Portal2025-02-11icsa · cisa_csaf_otUS
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. Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens recommends countermeasures for products where fixes are not, or not yet available.
also known as (5)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (3)
External citations — patches, advisories, analysis.
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan