What’s Vulnerable › Vulnerabilities

CVE-2020-26990

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.1% 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-843

Description

A vulnerability has been identified in JT2Go (All versions < V13.1.0.1), Teamcenter Visualization (All versions < V13.1.0.1). Affected applications lack proper validation of user-supplied data when parsing ASM files. A crafted ASM file could trigger a type confusion condition. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-11897)

Affected products

• Siemens JT2Go: before 13.1.0.1 — fixed in 13.1.0.1
• 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 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://www.zerodayinitiative.com/advisories/ZDI-21-055/
• https://cert-portal.siemens.com/productcert/pdf/ssa-622830.pdf
• https://cert-portal.siemens.com/productcert/pdf/ssa-663999.pdf
• https://www.zerodayinitiative.com/advisories/ZDI-21-055/

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