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CVE-2021-41540

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-09-28 · updated 2026-06-17
• Weakness: CWE-416

Description

A vulnerability has been identified in Solid Edge SE2021 (All versions < SE2021MP8). The affected application contains a use-after-free vulnerability while parsing OBJ files. An attacker could leverage this vulnerability to execute code in the context of the current process (ZDI-CAN-13776).

Affected products

• Siemens Solid Edge SE2021: before se2021; se2021, se2021-maintenance_pack1, se2021-maintenance_pack2, se2021-maintenance_pack3, se2021-maintenance_pack4, se2021-maintenance_pack5 (+2) — fixed in se2021

How to fix

Upgrade to a fixed version: Siemens Solid Edge SE2021 se2021. Check the vendor advisory for mitigations.

References

• https://cert-portal.siemens.com/productcert/pdf/ssa-728618.pdf
• https://www.zerodayinitiative.com/advisories/ZDI-21-1124/
• https://cert-portal.siemens.com/productcert/pdf/ssa-728618.pdf
• https://www.zerodayinitiative.com/advisories/ZDI-21-1124/

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