PT-2021-11506 · Siemens · Solid Edge

Rgod · Published 2021-01-12 · Updated 2021-12-10 · CVE-2020-28381

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 SE2020 versions prior to SE2020MP12 Solid Edge SE2021 versions prior to SE2021MP2

Description: A vulnerability has been identified in Solid Edge, where affected applications lack proper validation of user-supplied data when parsing PAR files. This could result in an out of bounds write into uninitialized memory. An attacker could leverage this vulnerability to execute code in the context of the current process.

Recommendations: For Solid Edge SE2020 versions prior to SE2020MP12, update to SE2020MP12 or later to resolve the issue. For Solid Edge SE2021 versions prior to SE2021MP2, update to SE2021MP2 or later to resolve the issue. As a temporary workaround, consider restricting the parsing of PAR files until a patch is available.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2020-28381

ZDI-21-074

Affected Products

Solid Edge

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2020-28381 · Security Note
• https://cert-portal.siemens.com/productcert/pdf/ssa-979834.pdf · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-21-074 · Security Note
• https://osv.dev/vulnerability/CVE-2020-28381 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-21-048 · Note
• https://us-cert.cisa.gov/ics/advisories/icsa-21-012-04 · Note
• https://t.me/cibsecurity/22063 · Telegram Post
• https://zerodayinitiative.com/advisories/ZDI-21-053 · Note