CVE-2021-44002 json
A vulnerability has been identified in JT Open (All versions < V11.1.1.0), JT Utilities (All versions < V13.1.1.0), Solid Edge (All version…
published 2021-12-14 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-30861
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 76%
- public exploits
- 0
- none known
Summary
A vulnerability has been identified in JT Open (All versions < V11.1.1.0), JT Utilities (All versions < V13.1.1.0), Solid Edge (All versions < V2023). The Jt1001.dll contains an out of bounds write 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. (ZDI-CAN-15058, ZDI-CAN-19076, ZDI-CAN-19077)
Patch / fix
- siemens jt_open_toolkit 11.1.1.0
- siemens jt_utilities 13.1.1.0
- siemens jt2go 13.2.0.5
- siemens solid_edge se2023
- siemens teamcenter_visualization 13.2.0.5
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-21-350-10 updated cvss 7.8
Siemens JT2Go and Teamcenter Visualization
-
Siemens JT2Go <V13.2.0.5affected: fixed in V13.2.0.5, mitigation plm.automation.siemens.com
-
Siemens Teamcenter Visualization <V13.2.0.5affected: fixed in V13.2.0.5, mitigation support.sw.siemens.com
Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf
Exploit prediction
1.62% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.8 | 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 |
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Affected products
- Siemens JT Open
- Siemens JT Utilities
- Siemens Solid Edge
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
cert-portal.siemens.com
/productcert/pdf/ssa-595101.pdf
patch, vendor-advisory
-
cert-portal.siemens.com
/productcert/pdf/ssa-936212.pdf
vendor-advisory
Sources
- CVE List CVE-2021-44002
- NVD CVE-2021-44002
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.