CVE-2021-42577 Null dereference in n/a
A malformed OPC/UA message causes a NULL pointer dereference, crashing the client application using the Softing OPC UA C++ SDK.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-42577?
CVE-2021-42577 is a high-severity vulnerability in n/a, published on 11 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in Softing OPC UA C++ SDK before 5.70. A malformed OPC/UA message abort packet makes the client crash with a NULL pointer dereference.
Weakness: CWE-476
Which versions are affected by CVE-2021-42577?
It affects 3 products.
Products include Softing Datafeed Opc Suite, Softing Opc Ua C\+\+ Software Development Kit, Softing Secure Integration Server.
How do I fix CVE-2021-42577?
No fix has been published for CVE-2021-42577 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-42577 being exploited?
There is no known exploitation of CVE-2021-42577 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-fp56-3jcq-pm9w.