CVE-2022-35868

highpriority · track · 0EPSS 0.002 · 9 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.19% (9th) EPSS

CVSS 7.3 · high

Is it mine?

36 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

A vulnerability has been identified in TIA Multiuser Server V14 (All versions), TIA Multiuser Server V15 (All versions < V15.1 Update 8), TIA Project-Server (All versions < V1.1), TIA Project-Server V16 (All versions), TIA Project-Server V17 (All versions < V17 Update 6). Affected applications contain an untrusted search path vulnerability that could allow an attacker to escalate privileges, when tricking a legitimate user to start the service from an attacker controlled path.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedTIA Multiuser Server V15siemens_psirt
Update to V15.1 Update 8 or later version
https://support.industry.siemens.com/cs/ww/en/view/109763893/
FixedTIA Project-Serversiemens_psirt
Update to V1.1 or later version
https://support.industry.siemens.com/cs/ww/en/view/109810588/
FixedTIA Project-Server V17siemens_psirt
Update to V17 Update 6 or later version
https://support.industry.siemens.com/cs/ww/en/view/109800915/
FixedTIA Multiuser Server V15cisa_csaf_ot
Update to V15.1 Update 8 or later version
https://support.industry.siemens.com/cs/ww/en/view/109763893/
FixedTIA Project-Servercisa_csaf_ot
Update to V1.1 or later version
https://support.industry.siemens.com/cs/ww/en/view/109810588/
FixedTIA Project-Server V17cisa_csaf_ot
Update to V17 Update 6 or later version
https://support.industry.siemens.com/cs/ww/en/view/109800915/
MitigationTIA Multiuser Server V14siemens_psirt
Make sure that the directory that is set as working directory when starting the TIA Project-Server or TIA Multiuser Server does not contain untrusted files.
MitigationTIA Multiuser Server V15siemens_psirt
Make sure that the directory that is set as working directory when starting the TIA Project-Server or TIA Multiuser Server does not contain untrusted files.
MitigationTIA Project-Serversiemens_psirt
Make sure that the directory that is set as working directory when starting the TIA Project-Server or TIA Multiuser Server does not contain untrusted files.
MitigationTIA Project-Server V16siemens_psirt
Make sure that the directory that is set as working directory when starting the TIA Project-Server or TIA Multiuser Server does not contain untrusted files.
MitigationTIA Project-Server V17siemens_psirt
Make sure that the directory that is set as working directory when starting the TIA Project-Server or TIA Multiuser Server does not contain untrusted files.
MitigationTIA Multiuser Server V14cisa_csaf_ot
Make sure that the directory that is set as working directory when starting the TIA Project-Server or TIA Multiuser Server does not contain untrusted files.
MitigationTIA Multiuser Server V15cisa_csaf_ot
Make sure that the directory that is set as working directory when starting the TIA Project-Server or TIA Multiuser Server does not contain untrusted files.
MitigationTIA Project-Servercisa_csaf_ot
Make sure that the directory that is set as working directory when starting the TIA Project-Server or TIA Multiuser Server does not contain untrusted files.
MitigationTIA Project-Server V16cisa_csaf_ot
Make sure that the directory that is set as working directory when starting the TIA Project-Server or TIA Multiuser Server does not contain untrusted files.
MitigationTIA Project-Server V17cisa_csaf_ot
Make sure that the directory that is set as working directory when starting the TIA Project-Server or TIA Multiuser Server does not contain untrusted files.
No fix plannedTIA Multiuser Server V14siemens_psirt
Currently no fix is planned
No fix plannedTIA Project-Server V16siemens_psirt
Currently no fix is planned
No fix plannedTIA Multiuser Server V14cisa_csaf_ot
Currently no fix is planned
No fix plannedTIA Project-Server V16cisa_csaf_ot
Currently no fix is planned

cvss

Technical severity, 0–10. One row per scoring source.

7.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.7–7.3

v3.17.3highCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:Hsecondary · NVD / NIST USexploitability 1.3 · impact 5.9

v3.16.7mediumCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:Csecondary · CISA US

v3.16.7mediumAV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.16.7mediumCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:Csecondary · ENISA EU

v3.16.7mediumCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:Hsecondary · productcert@siemens.com DEexploitability 0.8 · impact 5.9

v3.16.7mediumCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:Csecondary · Siemens ProductCERT DE

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-426USprimaryCWE-426USCWE-426USCWE-426US

affected products (36)

Products and version ranges known to be affected.

Siemens TIA Portal Multiuser Server < V15.1 Update 8all versionscert_bundDEcpe:/a:siemens:tia_portal:multiuser_server__v15.1_update_8
Siemens TIA Portal Multiuser Server V14all versionscert_bundDEcpe:/a:siemens:tia_portal:multiuser_server_v14
Siemens TIA Portal Project-Server < V1.1all versionscert_bundDEcpe:/a:siemens:tia_portal:project-server__v1.1
Siemens TIA Portal Project-Server V16all versionscert_bundDEcpe:/a:siemens:tia_portal:project-server_v16
Siemens TIA Portal Project-Server V17all versionscert_bundDEcpe:/a:siemens:tia_portal:project-server_v17
TIA Multiuser Server V14all versionscisa_csaf_otUS
TIA Multiuser Server V15all versionscisa_csaf_otUS
TIA Project-Serverall versionscisa_csaf_otUS
TIA Project-Server V16all versionscisa_csaf_otUS
TIA Project-Server V17all versionscisa_csaf_otUS
Siemens TIA Multiuser Server V14≤ vers:all/*cisa_csaf_otUS
Siemens TIA Multiuser Server V15< V15.1_Update_8cisa_csaf_otUS
Siemens TIA Project-Server< V1.1cisa_csaf_otUS
Siemens TIA Project-Server V16≤ vers:all/*cisa_csaf_otUS
Siemens TIA Project-Server V17< V17_Update_6cisa_csaf_otUS
Siemens TIA Multiuser Server V140 → *enisa_euvdEU
Siemens TIA Multiuser Server V15All versions → V15.1 Update 8enisa_euvdEU
Siemens TIA Project-ServerAll versions → V1.1enisa_euvdEU
Siemens TIA Project-Server V160 → *enisa_euvdEU
Siemens TIA Project-Server V17All versions → V17 Update 6enisa_euvdEU

showing 20 of 36

advisories (3)

Vendor and ecosystem advisories describing this.

SSA-640968SSA-640968: Untrusted Search Path Vulnerability in TIA Project-Server formerly known as TIA Multiuser Server2023-02-14csaf · siemens_psirtDE
TIA Project-Server formerly known as TIA Multiuser Server contains an untrusted search path vulnerability that could allow an attacker to escalate privileges, when tricking a legitimate user to start the service from an attacker controlled path. Siemens has released updates for several affected products and recommends to update to the latest versions. Siemens is preparing further updates and recommends specific countermeasures for products where updates are not, or not yet available.
WID-SEC-W-2023-0357Siemens TIA Portal: Schwachstelle ermöglicht PrivilegieneskalationDeutsch2023-02-13csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Siemens TIA Portal ausnutzen, um seine Privilegien zu erhöhen.
ICSA-23-047-07Siemens TIA Project-Server formerly known as TIA Multiuser Server2023-02-14icsa · cisa_csaf_otUS
TIA Project-Server formerly known as TIA Multiuser Server contains an untrusted search path vulnerability that could allow an attacker to escalate privileges, when tricking a legitimate user to start the service from an attacker controlled path. Siemens has released updates for several affected products and recommends to update to the latest versions. Siemens is preparing further updates and recommends specific countermeasures for products where updates are not, or not yet available.

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund cisa_csaf_ot siemens_psirt NVD CVE.org MITRE

published 2023-02-14modified 2026-06-17

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references (9)

External citations — patches, advisories, analysis.

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