PT-2021-4186 · Siemens · Siemens Nx+1

Published 2021-09-14 · Updated 2021-11-18 · CVE-2021-37202

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Siemens NX versions prior to V1984 Solid Edge SE2021 versions prior to SE2021MP8

Description The issue is related to a use-after-free vulnerability in the IFC adapter component when parsing user-supplied IFC files. This could allow an attacker to execute arbitrary code in the context of the current process.

Recommendations For Siemens NX versions prior to V1984, update to version V1984 or later to resolve the issue. For Solid Edge SE2021 versions prior to SE2021MP8, update to version SE2021MP8 or later to resolve the issue. As a temporary workaround, consider restricting the use of the IFC adapter component until a patch is available.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2021-04782

CVE-2021-37202

Affected Products

Siemens Nx

Solid Edge

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2021-37202 · Security Note
• https://osv.dev/vulnerability/CVE-2021-37202 · Vendor Advisory
• https://cert-portal.siemens.com/productcert/pdf/ssa-728618.pdf · Vendor Advisory
• https://cert-portal.siemens.com/productcert/pdf/ssa-208530.pdf · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-04782 · Security Note
• https://t.me/cibsecurity/28781 · Telegram Post
• https://us-cert.cisa.gov/ics/advisories/icsa-21-257-09 · Note
• https://cybersecurity-help.cz/vdb/SB2021091517 · Note