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CVE-2021-34935

25
FAUCET Score

CVE-2021-34935 is a remote code execution vulnerability affecting Bentley View 10.15.0.75 and Bentley MicroStation, stemming from a write-past-end-of-buffer error when parsing malicious JT files. Exploitation requires user interaction, such as opening a crafted file, and can lead to arbitrary code execution with the privileges of the current process. Rated 7.8 HIGH on CVSS, this vulnerability has a low EPSS score and currently shows no evidence of active exploitation, public exploit code, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
< 10.16.02CPE matchmatch criteria
cpe:2.3:a:bentley:bentley_view:*:*:*:*:*:*:*:*
< 10.16.02CPE matchmatch criteria
cpe:2.3:a:bentley:microstation:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.94%
Probability of exploitation in next 30 days
EPSS Percentile
78.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0194 is in the 77th percentile among its peer group of 11,621 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

bentley.com / en/common-vulnerability-exposure/BE-2021-0005
Vendor Advisory
zerodayinitiative.com / advisories/ZDI-21-1523
Third Party AdvisoryVDB Entry