CVEvulnerability
CVE-2021-47719
8.7 HIGH
Official page ↗
- Status
- Deferred
- Published
- 2025-12-09
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 8.7 HIGH — CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Weaknesses
- CWE-787
Description
COMMAX WebViewer ActiveX Control 2.1.4.5 contains a buffer overflow vulnerability that allows attackers to execute arbitrary code by providing excessively long string arrays through multiple functions. Attackers can exploit boundary errors in Commax_WebViewer.ocx to cause buffer overflow conditions and potentially gain code execution.
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- https://www.commax.com www.commax.com
- https://www.exploit-db.com/exploits/50231 www.exploit-db.com
- https://www.vulncheck.com/advisories/commax-webviewer-activex-control-commax-webviewer-ocx-buffer-overflow www.vulncheck.com
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5663.php www.zeroscience.mk