CVE-2021-20024 Information disclosure in SonicWall Switch
An out-of-bounds read in SonicWall Switch LLDP handling allows attackers to read sensitive memory or cause system instability.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-20024?
CVE-2021-20024 is a high-severity vulnerability in SonicWall Switch, published on 9 Jul 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Multiple Out-of-Bound read vulnerability in SonicWall Switch when handling LLDP Protocol allows an attacker to cause a system instability or potentially read sensitive information from the memory locations.
Weakness: CWE-125
Which versions are affected by CVE-2021-20024?
It affects 1 product.
Products include Sonicwall Switch.
How do I fix CVE-2021-20024?
No fix has been published for CVE-2021-20024 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-20024 being exploited?
There is no known exploitation of CVE-2021-20024 in the wild and no public exploit code.
Sources
Also known as GHSA-gp55-8ww8-jfq2.