Is CVE-2021-46566 in the CISA KEV catalog?

No. CVE-2021-46566 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-46566?

CVE-2021-46566 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2021-46566?

CVE-2021-46566 has an EPSS score of 1.91% (77th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-46566?

Upgrade microstation to 10.16.02 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2021-46566

HIGHEPSS 77th pctl

7.8

CVSS v3

NVD

Description

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. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-15027.

CWE-457

How to fix

Remediation Available

microstationNVD

Affected:< 10.16.02Fixed in:10.16.02CVE-2021-46566derived from NVD

viewNVD

Affected:< 10.16.02Fixed in:10.16.02CVE-2021-46566derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

1.91%probability of exploitation in 30 days

77thpercentile

Elevated risk: more likely to be exploited than 77% of all known CVEs.

References

Vendor Advisory1

bentley.com

Third-Party Advisory1

zerodayinitiative.com

Embed a live status badge for CVE-2021-46566

Markdown

[![CVE-2021-46566](https://tridentstack.com/cve/badge/CVE-2021-46566.svg)](https://tridentstack.com/cve/CVE-2021-46566)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-46566"><img src="https://tridentstack.com/cve/badge/CVE-2021-46566.svg" alt="CVE-2021-46566"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.