CVE-2022-43655 | Bentley View FBX File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability

Bentley View FBX File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley View. 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 FBX files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-18491.

Published: 2024-05-07 Last update: 2025-08-11 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2022-43655 is rated Moderate Risk (56.8/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.78%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2022-43655

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-01 0.97% 0.78% -0.18%
2 2025-11-21 0.14% 0.97% +0.83%
3 2025-11-18 0.14%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-43655

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.8 3.0 HIGH
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
1.8 5.9 [email protected]

Weakness enumeration for CVE-2022-43655

Affected software / configurations for CVE-2022-43655

Vendor Product Version Raw CPE
bentley view 10.16.02.22 cpe:2.3:a:bentley:view:10.16.02.22:*:*:*:*:*:*:*

References for CVE-2022-43655

cvelogic Threat Intelligence