Out-of-bounds Read in Bentley Microstation
CVE-2021-46612
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 PDF files. Crafted data in a PDF 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-15406.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.020 (79.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- Bentley Microstation
- Bentley Microstation Connect — versions 10.16.0.80
- Bentley Microstation Connect
- Bentley View
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.bentley.com/en/common-vulnerability-exposure/BE-2021-0003 (Vendor Advisory)
- www.zerodayinitiative.com/advisories/ZDI-22-199/ (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-46612?
- CVE-2021-46612 is a high-severity vulnerability in Bentley Microstation, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2022-02-18.
- How severe is CVE-2021-46612?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-46612 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.