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Vulnerability record · CVE-2020-26987 · published 12 January 2021

CVE-2020-26987: Siemens jt2go heap-based buffer overflow vulnerability

Siemens · Jt2go

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 TGA files. This could lead to a heap-based buffer overflow. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-12016, ZDI-CAN-12017)

8.8 CVSS 3.1 High EPSS 4.3% · top 9.2% CWE-122 · Heap-based buffer overflowCWE-787 · Out-of-bounds write
8.8CVSS 3.1 base score, v2 6.8
4.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

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 TGA files. This could lead to a heap-based buffer overflow. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-12016, ZDI-CAN-12017)

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://cert-portal.siemens.com/productcert/pdf/ssa-622830.pdf Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-059/ Third Party AdvisoryVDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-21-061/ Third Party AdvisoryVDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-622830.pdf Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-059/ Third Party AdvisoryVDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-21-061/ Third Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-26987), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.