Out-of-bounds Read in Bentley Microstation
CVE-2021-46626
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley View 10.15.0.75. 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 J2K images. Crafted data in a J2K image 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-15456.
Vulnerability class: Buffer Overflow
EPSS: 0.020 (78.8th percentile) — read the EPSS interpretation.
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.
Affected products
- Bentley Microstation
- Bentley View — versions 10.15.0.75
Weakness classification (CWE)
References
- zdi-disclosures@trendmicro.com (x_refsource_MISC, Vendor Advisory)
- zdi-disclosures@trendmicro.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-46626?
- CVE-2021-46626 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-2021-46626?
- High severity. CVSS v3 base score is 7.8 out of 10.