CVE-2023-29053

highpriority · track · 0EPSS 0.002 · 12 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.22% (12th) EPSS

CVSS 7.8 · high

Is it mine?

10 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-27

A vulnerability has been identified in JT Open (All versions < V11.3.2.0), JT Utilities (All versions < V13.3.0.0). The affected applications contain an out of bounds read past the end of an allocated structure while parsing specially crafted JT files. This could allow an attacker to execute code in the context of the current process.

remediations

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

A vendor fix is available.

FixedJT Opensiemens_psirt
Update to V11.3.2.0 or later version
https://support.sw.siemens.com/
FixedJT Utilitiessiemens_psirt
Update to V13.3.0.0 or later version
https://support.sw.siemens.com/
FixedJT Opencisa_csaf_ot
Update to V11.3.2.0 or later version
https://support.sw.siemens.com/
FixedJT Utilitiescisa_csaf_ot
Update to V13.3.0.0 or later version
https://support.sw.siemens.com/
WorkaroundJT Opensiemens_psirt
Do not open untrusted files using JT Open Toolkit or JT Utilities
WorkaroundJT Utilitiessiemens_psirt
Do not open untrusted files using JT Open Toolkit or JT Utilities
WorkaroundJT Opencisa_csaf_ot
Do not open untrusted files using JT Open Toolkit or JT Utilities
WorkaroundJT Utilitiescisa_csaf_ot
Do not open untrusted files using JT Open Toolkit or JT Utilities

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:H/E:P/RL:O/RC:Csecondary · CISA US

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:Csecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondaryexploitability 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 · productcert@siemens.com DEexploitability 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:H/E:P/RL:O/RC:Csecondary · Siemens ProductCERT DE

ssvc

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

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

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-125USCWE-125USCWE-125US

affected products (10)

Products and version ranges known to be affected.

JT Openall versionscisa_csaf_otUS
JT Utilitiesall versionscisa_csaf_otUS
Siemens JT Open< V11.3.2.0cisa_csaf_otUS
Siemens JT Utilities< V13.3.0.0cisa_csaf_otUS
Siemens JT OpenAll versions → V11.3.2.0enisa_euvdEU
Siemens JT UtilitiesAll versions → V13.3.0.0enisa_euvdEU
siemens jt open toolkit< 11.3.2.0nvdUScpe:2.3:a:siemens:jt_open_toolkit:*:*:*:*:*:*:*:*
siemens jt utilities< 13.3.0.0nvdUScpe:2.3:a:siemens:jt_utilities:*:*:*:*:*:*:*:*
Siemens JT Open≤ vers:all/<V11.3.2.0siemens_psirtDE
Siemens JT Utilities≤ vers:all/<V13.3.0.0siemens_psirtDE

advisories (2)

Vendor and ecosystem advisories describing this.

SSA-642810SSA-642810: JT File Parsing Vulnerability in JT Open and JT Utilities2023-04-11csaf · siemens_psirtDE
JT Open Toolkit and JT Utilities are affected by a memory corruption vulnerability that could be triggered while parsing JT files. If a user is tricked to open a malicious JT file with any of the affected products, this could cause the application to crash or potentially lead to arbitrary code execution. Siemens has released updates for the affected products and recommends to update to the latest versions.
ICSA-23-103-02Siemens JT Open and JT Utilities2023-04-11icsa · cisa_csaf_otUS
JT Open Toolkit and JT Utilities are affected by a memory corruption vulnerability that could be triggered while parsing JT files. If a user is tricked to open a malicious JT file with any of the affected products, this could cause the application to crash or potentially lead to arbitrary code execution. Siemens has released updates for the affected products and recommends to update to the latest versions.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cisa_csaf_ot nvd siemens_psirt NVD CVE.org MITRE

published 2023-04-11modified 2026-10-23

references (4)

External citations — patches, advisories, analysis.

scry

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