Stack-based buffer overflow in WebAccess/SCADA - CVE-2021-32943
Published: August 6, 2021
Vulnerability identifier: #VU55634
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-32943
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
WebAccess/SCADA
How to mitigate CVE-2021-32943
Install updates from vendor's website.
WebAccess/SCADA - addressed in versions 8.4.5, 9.0.1