CVE-2020-26996

Name: CVE-2020-26996
Creator: NVD / NIST
Published: 2021-01-12T21:15:17.637+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 3.08%

Last modified Jun 17, 2026

CVE-2020-26996 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A vulnerability has been identified in JT2Go (All versions < V13.1.0), Teamcenter Visualization (All versions < V13.1.0). Affected applications lack proper validation of user-supplied data when parsing of CG4 files. EPSS estimates a 3.08% chance of exploitation in the next 30 days.

Description

A vulnerability has been identified in JT2Go (All versions < V13.1.0), Teamcenter Visualization (All versions < V13.1.0). Affected applications lack proper validation of user-supplied data when parsing of CG4 files. This could result in a memory access past the end of an allocated buffer. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-12027)

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

3.08%

86.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Siemens	Jt2go	< 13.1.0
Siemens	Teamcenter Visualization	< 13.1.0

References

https://cert-portal.siemens.com/productcert/pdf/ssa-622830.pdfVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-062/Third Party Advisory, VDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-622830.pdfVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-062/Third Party Advisory, VDB Entry

Timeline

Published: Jan 12, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-26996?

How severe is CVE-2020-26996?

CVE-2020-26996 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 3.08% probability of exploitation in the next 30 days.

How do I fix CVE-2020-26996?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-26996?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST