What’s Vulnerable › Vulnerabilities

CVE-2020-26989

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-01-12 · updated 2026-06-17
• Weakness: CWE-121

Description

A vulnerability has been identified in JT2Go (All versions < V13.1.0.1), Solid Edge SE2020 (All Versions < SE2020MP12), Solid Edge SE2021 (All Versions < SE2021MP2), Teamcenter Visualization (All versions < V13.1.0.1). Affected applications lack proper validation of user-supplied data when parsing of PAR files. This could result in a stack based buffer overflow. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-11892)

Affected products

• Siemens JT2Go: before 13.1.0.1 — fixed in 13.1.0.1
• Siemens Solid Edge SE2021: before se2021; se2021, se2021-maintenance_pack1 — fixed in se2021
• Siemens Teamcenter Visualization: before 13.1.0.1 — fixed in 13.1.0.1

How to fix

Upgrade to a fixed version: Siemens JT2Go 13.1.0.1; Siemens Solid Edge SE2021 se2021; Siemens Teamcenter Visualization 13.1.0.1. Check the vendor advisory for mitigations.

References

• https://cert-portal.siemens.com/productcert/pdf/ssa-622830.pdf
• https://cert-portal.siemens.com/productcert/pdf/ssa-663999.pdf
• https://cert-portal.siemens.com/productcert/pdf/ssa-979834.pdf
• https://www.zerodayinitiative.com/advisories/ZDI-21-050/
• https://cert-portal.siemens.com/productcert/pdf/ssa-622830.pdf
• https://cert-portal.siemens.com/productcert/pdf/ssa-663999.pdf
• https://cert-portal.siemens.com/productcert/pdf/ssa-979834.pdf
• https://www.zerodayinitiative.com/advisories/ZDI-21-050/

Get alerted when CVE-2020-26989 or the next vulnerability affects your stack