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CVE-2021-46644

25
FAUCET Score

CVE-2021-46644 is a high-severity vulnerability affecting Bentley MicroStation CONNECT and Bentley View, allowing remote code execution. It stems from a write-past-end-of-buffer error during DGN file parsing, requiring user interaction to open a malicious file. While the CVSS score is 7.8 (High), there is 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:microstation:*:*:*:*:*:*:*:*
< 10.16.0.80CPE matchmatch criteria
cpe:2.3:a:bentley:microstation_connect:*:*:*:*:*:*:*:*
< 10.16.02CPE matchmatch criteria
cpe:2.3:a:bentley:view:*:*:*:*:*:*:*:*

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
2.09%
Probability of exploitation in next 30 days
EPSS Percentile
79.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0209 is in the 79th percentile among its peer group of 11,617 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-2021-0009
Vendor Advisory
zerodayinitiative.com / advisories/ZDI-22-231
Third Party AdvisoryVDB Entry