Cyber Resilience

CVE-2021-46649

Medium

Published: 18 February 2022

Published
18 February 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS Score 0.0055 68.3th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-46649 is a medium-severity Out-of-bounds Read (CWE-125) vulnerability in Bentley Microstation. Its CVSS base score is 5.5 (Medium).

Operationally, ranked in the top 31.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

This vulnerability allows remote attackers to disclose sensitive information 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…

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specific flaw exists within the parsing of DGN files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-15535.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

bentley
microstation
≤ 10.16.02
bentley
microstation connect
≤ 10.16.0.80
bentley
view
≤ 10.16.02

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References