This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley View 10.15.0.75.

published 2022-01-13 4y ago modified 2026-06-17 4mo ago also EUVD-2021-21527

cvss: 7.8; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 2.1%; EPSS 2.1% chance of exploitation in 30 days, percentile 81%
public exploits: 0; none known

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 3DS files. Crafted data in a 3DS file can trigger a read 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-14833.

Patch / fix

fixed in 2

bentley bentley_view 10.16.02
bentley microstation 10.16.02

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Exploit prediction

2.05% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.0	7.8	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

Bentley View

Classification

Weakness

CWE-125 Out-of-bounds Read

References

bentley.com /en/common-vulnerability-exposure/BE-2021-0004
vendor-advisory
zerodayinitiative.com /advisories/ZDI-21-1469/
third-party-advisory, vdb-entry

Sources

CVE List CVE-2021-34880
NVD CVE-2021-34880

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