PT-2021-4335 · Siemens · Solid Edge

Xina1I · Published 2021-05-19 · Updated 2021-10-01 · CVE-2021-41540

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 Solid Edge SE2021 versions prior to SE2021MP8

Description The issue is related to a use-after-free vulnerability that occurs when parsing OBJ files. This could allow a remote attacker to execute arbitrary code in the context of the current process by using a specially crafted malicious web page or file.

Recommendations 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 OBJ file parsing functionality until a patch is applied. Avoid using the affected application to parse untrusted OBJ files until the issue is resolved.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2021-04959

CVE-2021-41540

ZDI-21-1124

Affected Products

Solid Edge

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2021-41540 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-21-1124 · Security Note
• https://cert-portal.siemens.com/productcert/pdf/ssa-728618.pdf · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-04959 · Security Note
• https://osv.dev/vulnerability/CVE-2021-41540 · Vendor Advisory
• https://t.me/cibsecurity/29551 · Telegram Post