What’s Vulnerable › Vulnerabilities

CVE-2021-31342

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-06-08 · updated 2026-06-17
• Weakness: CWE-787

Description

The ugeom2d.dll library in all versions of Solid Edge SE2020 before 2020MP14 and all versions of Solid Edge SE2021 before SE2021MP5 lack proper validation of user-supplied data when parsing DFT files. This could result in an out-of-bounds write past the end of an allocated structure. An attacker could leverage this vulnerability to execute code in the context of the current process.

Affected products

• Siemens Solid Edge Se2020 Firmware: before 2020mp14 — fixed in 2020mp14
• Siemens Solid Edge Se2021 Firmware: before se2021mp5 — fixed in se2021mp5

How to fix

Upgrade to a fixed version: Siemens Solid Edge Se2020 Firmware 2020mp14; Siemens Solid Edge Se2021 Firmware se2021mp5. Check the vendor advisory for mitigations.

References

• https://us-cert.cisa.gov/ics/advisories/icsa-21-159-09
• https://www.zerodayinitiative.com/advisories/ZDI-21-998/
• https://us-cert.cisa.gov/ics/advisories/icsa-21-159-09
• https://www.zerodayinitiative.com/advisories/ZDI-21-998/

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