CVE-2023-26293

highpriority · track · 0EPSS 0.002 · 16 %ileDEEURUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.25% (16th) EPSS
CVSS 7.8 · high
Is it mine?
30 products
Check your exposure
Who says so?
7 sources
cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

A vulnerability has been identified in Totally Integrated Automation Portal (TIA Portal) V15 (All versions), Totally Integrated Automation Portal (TIA Portal) V16 (All versions < V16 Update 7), Totally Integrated Automation Portal (TIA Portal) V17 (All versions < V17 Update 6), Totally Integrated Automation Portal (TIA Portal) V18 (All versions < V18 Update 1). Affected products contain a path traversal vulnerability that could allow the creation or overwrite of arbitrary files in the engineering system. If the user is tricked to open a malicious PC system configuration file, an attacker could exploit this vulnerability to achieve arbitrary code execution.

01

remediations

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

A vendor fix is available.

  • Fixedfesto_psirt

    Update TIA-Portal. Please refer to Siemens SSA-116924 for more details.

  • FixedTotally Integrated Automation Portal (TIA Portal) V16siemens_psirt

    Update to V16 Update 7 or later version

  • FixedTotally Integrated Automation Portal (TIA Portal) V17siemens_psirt

    Update to V17 Update 6 or later version

  • FixedTotally Integrated Automation Portal (TIA Portal) V18siemens_psirt

    Update to V18 Update 1 or later version

  • FixedTotally Integrated Automation Portal (TIA Portal) V16cisa_csaf_ot

    Update to V16 Update 7 or later version

  • FixedTotally Integrated Automation Portal (TIA Portal) V17cisa_csaf_ot

    Update to V17 Update 6 or later version

  • FixedTotally Integrated Automation Portal (TIA Portal) V18cisa_csaf_ot

    Update to V18 Update 1 or later version

  • FixedTotally Integrated Automation Portal (TIA Portal) V17cisa_csaf_ot

    Update to V17 Update 6 or later version

    https://support.industry.siemens.com/cs/ww/en/view/109784441/
  • FixedTotally Integrated Automation Portal (TIA Portal) V18cisa_csaf_ot

    Update to V18 Update 1 or later version

    https://support.industry.siemens.com/cs/ww/en/view/109817218/
  • Fixedcisa_csaf_ot

    Update TIA-Portal. Please refer to Siemens SSA-116924 for more details.

  • MitigationTotally Integrated Automation Portal (TIA Portal) V15siemens_psirt

    Do not open untrusted project files or PC system configuration files

  • MitigationTotally Integrated Automation Portal (TIA Portal) V16siemens_psirt

    Do not open untrusted project files or PC system configuration files

  • MitigationTotally Integrated Automation Portal (TIA Portal) V17siemens_psirt

    Do not open untrusted project files or PC system configuration files

  • MitigationTotally Integrated Automation Portal (TIA Portal) V18siemens_psirt

    Do not open untrusted project files or PC system configuration files

  • MitigationTotally Integrated Automation Portal (TIA Portal) V15cisa_csaf_ot

    Do not open untrusted project files or PC system configuration files

  • MitigationTotally Integrated Automation Portal (TIA Portal) V16cisa_csaf_ot

    Do not open untrusted project files or PC system configuration files

  • MitigationTotally Integrated Automation Portal (TIA Portal) V17cisa_csaf_ot

    Do not open untrusted project files or PC system configuration files

  • MitigationTotally Integrated Automation Portal (TIA Portal) V18cisa_csaf_ot

    Do not open untrusted project files or PC system configuration files

  • MitigationTotally Integrated Automation Portal (TIA Portal) V15cisa_csaf_ot

    As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals. Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity

  • MitigationTotally Integrated Automation Portal (TIA Portal) V16cisa_csaf_ot

    As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals. Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity

  • MitigationTotally Integrated Automation Portal (TIA Portal) V17cisa_csaf_ot

    As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals. Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity

  • MitigationTotally Integrated Automation Portal (TIA Portal) V18cisa_csaf_ot

    As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals. Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity

  • No fix availableTotally Integrated Automation Portal (TIA Portal) V16cisa_csaf_ot

    Currently no fix is available

  • No fix plannedTotally Integrated Automation Portal (TIA Portal) V15siemens_psirt

    Currently no fix is planned

  • No fix plannedTotally Integrated Automation Portal (TIA Portal) V15cisa_csaf_ot

    Currently no fix is planned

02

cvss

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

7.8
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · NVD / NIST USexploitability 1.8 · impact 5.9
v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · CISA US
v3.17.3highAV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Lsecondary · FSTEC (BDU) RU
v3.17.3highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L/E:P/RL:O/RC:Csecondary · ENISA EU
v3.17.3highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Lsecondary · productcert@siemens.com DEexploitability 1.8 · impact 5.5
v3.17.3highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L/E:P/RL:O/RC:Csecondary · Siemens ProductCERT DE
v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · Festo PSIRT DE
03

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USCWE-20USCWE-20USCWE-20USCWE-20USCWE-22USCWE-22US
05

affected products (30)

Products and version ranges known to be affected.

showing 20 of 30
06

advisories (6)

Vendor and ecosystem advisories describing this.

  • FSA-202303Festo: Vulnerable Siemens TIA-Portal in multiple Festo Didactic products2023-10-17csaf · festo_psirtDE

    A vulnerability was reported in Siemens TIA Portal. TIA Portal is part of the installation packages of several Festo Didactic products. TP 260 before June 2023 and MES PC based on DELL XE3 contain a vulnerable versions of TIA Portal V15 to V18. Affected products of TIA Portal contain a path traversal vulnerability that could allow the creation or overwrite of arbitrary files in the engineering system.

  • SSA-116924SSA-116924: Path Traversal Vulnerability in TIA Portal2023-04-11csaf · siemens_psirtDE

    TIA Portal contains a path traversal vulnerability that could allow the creation or overwrite of arbitrary files in the engineering system. If the user is tricked to open a malicious PC system configuration file, an attacker could exploit this vulnerability to achieve arbitrary code execution. Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens recommends specific countermeasures for products where fixes are not, or not yet available.

  • WID-SEC-W-2023-0909Siemens TIA Portal: Schwachstelle ermöglicht CodeausführungDeutsch2023-04-10csaf · cert_bundDE

    Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Siemens TIA Portal ausnutzen, um beliebigen Programmcode auszuführen.

  • ICSA-23-103-04Siemens TIA Portal2023-04-11icsa · cisa_csaf_otUS

    TIA Portal contains a path traversal vulnerability that could allow the creation or overwrite of arbitrary files in the engineering system. If the user is tricked to open a malicious PC system configuration file, an attacker could exploit this vulnerability to achieve arbitrary code execution. Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens recommends specific countermeasures for products where fixes are not, or not yet available.

  • ICSA-23-103-08Siemens Mendix Forgot Password Module2023-04-18icsa · cisa_csaf_otUS

    Successful exploitation of the vulnerability could allow an attacker to retrieve sensitive information.

  • ICSA-25-324-05Festo Didactic products2023-10-17icsa · cisa_csaf_otUS

    A vulnerability was reported in Siemens TIA Portal. TIA Portal is part of the installation packages of several Festo Didactic products. TP 260 before June 2023 and MES PC based on DELL XE3 contain a vulnerable versions of TIA Portal V15 to V18. Affected products of TIA Portal contain a path traversal vulnerability that could allow the creation or overwrite of arbitrary files in the engineering system.

07

also known as (5)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bducert_bundcisa_csaf_otfesto_psirtsiemens_psirtNVDCVE.orgMITRE
published 2023-04-11modified 2026-10-23
09

references (7)

External citations — patches, advisories, analysis.

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