CVE-2021-27492 Information

Description

When opening a specially crafted 3DXML file the application containing Datakit Software libraries CatiaV5_3dRead CatiaV6_3dRead Step3dRead Ug3dReadPsr Jt3dReadPsr modules in KeyShot Versions v10.1 and prior could disclose arbitrary files to remote attackers. This is because of the passing of specially crafted content to the underlying XML parser without taking proper restrictions such as prohibiting an external DTD.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Reference

https://cert-portal.siemens.com/productcert/pdf/ssa-119468.pdf https://www.zerodayinitiative.com/advisories/ZDI-21-567/ https://us-cert.cisa.gov/ics/advisories/icsa-21-145-01

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.5