Buffer overflow in OPC UA C++ SDK - CVE-2021-32994
Published: June 18, 2021
Vulnerability identifier: #VU54219
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-32994
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within the exported library functions. A remote attacker can trigger memory corruption and cause a denial of service condition on the target system.
Affected software
OPC UA C++ SDK
How to mitigate CVE-2021-32994
Install updates from vendor's website.
OPC UA C++ SDK - update to 5.65