CVE-2021-46634

moderate-risk
Published 2022-02-18

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley MicroStation CONNECT 10.16.0.80. 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-15464.

Do I need to act?

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0.66% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (3)

Affected Vendors

Bentley

References (4)

Vendor Advisory https://www.bentley.com/en/common-vulnerability-exposure/BE-2021-0005
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-22-221/
Vendor Advisory https://www.bentley.com/en/common-vulnerability-exposure/BE-2021-0005
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-22-221/
35
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 2/34 · Minimal
Exposure 9/34 · Low