CVE-2021-33486 Denial of service in n/a
Attackers can cause a denial of service in CODESYS V3 Runtime Toolkit for VxWorks by triggering improper handling of exceptional conditions.
- 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-2021-33486?
CVE-2021-33486 is a high-severity denial of service vulnerability in n/a, published on 3 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
All versions of the CODESYS V3 Runtime Toolkit for VxWorks from version V3.5.8.0 and before version V3.5.17.10 have Improper Handling of Exceptional Conditions.
Weakness: CWE-755
Which versions are affected by CVE-2021-33486?
It affects 1 product.
Products include Codesys Runtime Toolkit.
How do I fix CVE-2021-33486?
No fix has been published for CVE-2021-33486 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-33486 being exploited?
There is no known exploitation of CVE-2021-33486 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-qw37-6chx-mmm4.