CVE-2021-3384 Denial of service in n/a
An attacker can trigger ARP/NDP table protection to temporarily prevent the system from contacting new hosts via IPv4 or IPv6.
- 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-2021-3384?
CVE-2021-3384 is a medium-severity denial of service vulnerability in n/a, published on 2 Mar 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in Stormshield Network Security could allow an attacker to trigger a protection related to ARP/NDP tables management, which would temporarily prevent the system to contact new hosts via IPv4 or IPv6. This affects versions 2.0.0 to 2.7.7, 2.8.0 to 2.16.0, 3.0.0 to 3.7.16, 3.8.0 to 3.11.4, and 4.0.0 to 4.1.5. Fixed in versions 2.7.8, 3.7.17, 3.11.5, and 4.2.0.
Which versions are affected by CVE-2021-3384?
It affects 1 product.
Products include Stormshield Stormshield Network Security.
How do I fix CVE-2021-3384?
No fix has been published for CVE-2021-3384 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-2021-3384 being exploited?
There is no known exploitation of CVE-2021-3384 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-qqfg-vxw9-g865.