PT-2021-17425 · Siemens · Solid Edge

Francis Provencher + 1 · Published 2021-03-11 · Updated 2021-12-10 · CVE-2021-27380

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 SE2020MP13 Solid Edge SE2021 versions prior to SE2021MP4

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 past the end of an allocated structure. An attacker could leverage this vulnerability to execute code in the context of the current process.

Recommendations For Solid Edge SE2020 versions prior to SE2020MP13, update to SE2020MP13 or later. For Solid Edge SE2021 versions prior to SE2021MP4, update to SE2021MP4 or later. 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-2021-27380

ZDI-21-274

Affected Products

Solid Edge

References · 7

• https://osv.dev/vulnerability/CVE-2021-27380 · Vendor Advisory
• https://cert-portal.siemens.com/productcert/pdf/ssa-574442.pdf · Vendor Advisory
• https://cert-portal.siemens.com/productcert/pdf/ssa-715184.pdf · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-21-274 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-27380 · Security Note
• https://us-cert.cisa.gov/ics/advisories/icsa-21-103-06 · Note
• https://t.me/cibsecurity/24910 · Telegram Post