Vulnerability · Published Jan 13, 2022 · Assigned by zdi
CVE-2021-34922
High 7.8
In plain English
A high-severity use-after-free in View from Bentley. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.0% (higher than 81% of all known vulnerabilities).
Official description
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley View 10.15.0.75. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of JT files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14900.
Affected products (as reported)
Weakness: CWE-416 · Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References
- https://www.bentley.com/en/common-vulnerability-exposure/BE-2021-0005 x_refsource_MISC
- https://www.zerodayinitiative.com/advisories/ZDI-21-1510/ x_refsource_MISC