PT-2021-20716 · Bentley · Bentley View

Francis Provencher · Published 2021-12-08 · Updated 2022-01-14 · CVE-2021-34872

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: Bentley View version 10.15.0.75

Description: This issue allows remote attackers to execute arbitrary code on affected installations. User interaction is required, where the target must visit a malicious page or open a malicious file. The flaw exists within the parsing of SKP files due to the lack of validating the existence of an object prior to performing operations on it. An attacker can leverage this to execute code in the context of the current process.

Recommendations: For Bentley View version 10.15.0.75, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2021-34872

ZDI-21-1462

Affected Products

Bentley View

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2021-34872 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-21-1462 · Security Note
• https://osv.dev/vulnerability/CVE-2021-34872 · Vendor Advisory
• https://bentley.com/en/common-vulnerability-exposure/BE-2021-0014 · Vendor Advisory