Vulnerability identifier: #VU53244
Vulnerability risk: Medium
CVSSv4.0: 6.6 [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/E:U/U:Green]
CVE-ID:
CWE-ID:
CWE-674
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
OPC UA .NET Legacy
Server applications /
Other server solutions
OPC UA .NET Standard
Server applications /
Other server solutions
Vendor: OPC Foundation
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to an uncontrolled recursion. A remote attacker can cause a denial of service condition on the target system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
OPC UA .NET Legacy: All versions
External links
http://ics-cert.us-cert.gov/advisories/icsa-21-133-03
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.