CVE-2021-36764 Null dereference in n/a
Crafted communication requests cause a null pointer dereference in CODESYS Gateway, leading to a denial-of-service condition.
- 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-2021-36764?
CVE-2021-36764 is a high-severity vulnerability in n/a, published on 4 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In CODESYS Gateway V3 before 3.5.17.10, there is a NULL Pointer Dereference. Crafted communication requests may cause a Null pointer dereference in the affected CODESYS products and may result in a denial-of-service condition.
Weakness: CWE-476
Which versions are affected by CVE-2021-36764?
It affects 1 product.
Products include Codesys Gateway.
How do I fix CVE-2021-36764?
No fix has been published for CVE-2021-36764 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-36764 being exploited?
There is no known exploitation of CVE-2021-36764 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-qpw7-wx2f-6gc3.