Vulnerability 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 DGN files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-15510.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Bentley | Microstation | < 10.16.02 |
| Bentley | Microstation Connect | <= 10.16.0.80 |
| Bentley | View | < 10.16.02 |
Related Weaknesses (CWE)
References
- https://www.bentley.com/en/common-vulnerability-exposure/BE-2021-0009Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-225/Third Party AdvisoryVDB Entry
- https://www.bentley.com/en/common-vulnerability-exposure/BE-2021-0009Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-225/Third Party AdvisoryVDB Entry
FAQ
What is CVE-2021-46638?
CVE-2021-46638 is a vulnerability with a CVSS score of 7.8 (HIGH). 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...
How severe is CVE-2021-46638?
CVE-2021-46638 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-46638?
Check the references section above for vendor advisories and patch information. Affected products include: Bentley Microstation, Bentley Microstation Connect, Bentley View.