CVE-2023-51744: Siemens JT2Go · NULL Pointer Dereference
Affects Siemens JT2GoSource CVE Database V5
Public exploit available · CVSS 3.3 Low.
Data as of 26 Oct 2026, 10:12 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 12% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:CExploitation evidence
Disclosed: evidence found.
CVE published 9 Jan 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: evidence found.
CVSS exploit maturity: proof of concept public
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
AI-suggested
European organizations should prioritize upgrading affected Siemens JT2Go and Teamcenter Visualization software to the fixed versions (JT2Go V14.3.0.6 or later, Teamcenter Visualization V13.3.0.13, V14.1.0.12, V14.2.0.9, or V14.3.0.6 and above). Until patches are applied, organizations should implement strict controls on CGM file sources, including validating and sanitizing files before opening them in vulnerable applications. User training is critical to avoid opening CGM files from untrusted or unknown sources. Employ application whitelisting and endpoint protection to detect and prevent anomalous application crashes. Network segmentation can limit exposure of vulnerable systems. Monitoring application logs for crashes related to CGM file processing can help detect attempted exploitation. Additionally, Siemens customers should stay updated with vendor advisories for official patches or workarounds. For environments where these tools are critical, consider deploying them in isolated or sandboxed environments to minimize impact from potential crashes.
Description
A vulnerability has been identified in JT2Go (All versions < V14.3.0.6), Teamcenter Visualization V13.3 (All versions < V13.3.0.13), Teamcenter Visualization V14.1 (All versions < V14.1.0.12), Teamcenter Visualization V14.2 (All versions < V14.2.0.9), Teamcenter Visualization V14.3 (All versions < V14.3.0.6). The affected applications contain a null pointer dereference vulnerability while parsing specially crafted CGM files. An attacker could leverage this vulnerability to crash the application causing denial of service condition.