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CVE-2021-34878 Details

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. Crafted data in a JT file can trigger a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14830.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://www.bentley.com/en/common-vulnerability-exposure/BE-2021-0005	CVE	Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-1466/	CVE	Third Party AdvisoryVDB Entry
https://www.bentley.com/en/common-vulnerability-exposure/BE-2021-0005	[email protected]	Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-1466/	[email protected]	Third Party AdvisoryVDB Entry

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-787	Out-of-bounds Write	[email protected]
CWE-787	Out-of-bounds Write	[email protected]

Affected Products

Product	Versions
bentley bentley view	< 10.16.02
CPE cpe:2.3:a:bentley:bentley_view:::::::: Remediation No remediation found in references.
bentley microstation	< 10.16.02
CPE cpe:2.3:a:bentley:microstation:::::::: Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jan 14, 2022	Initial Analysis	[email protected]