CVE-2021-37202

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-09-14 · updated 2026-06-17
Weakness: CWE-416

Description

A vulnerability has been identified in NX 1980 Series (All versions < V1984), Solid Edge SE2021 (All versions < SE2021MP8). The IFC adapter in affected application contains a use-after-free vulnerability that could be triggered while parsing user-supplied IFC files. An attacker could leverage this vulnerability to execute code in the context of the current process.

Affected products

Siemens Nx 1980: before 1984 — fixed in 1984
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 Nx 1980 1984; Siemens Solid Edge SE2021 se2021. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2021-37202 or the next vulnerability affects your stack