CVE-2020-11622 Denial of service in n/a
Attackers can cause a denial of service in Arista Cloud EOS VM routers when TCP MSS options are configured.
- 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-2020-11622?
CVE-2020-11622 is a high-severity denial of service vulnerability in n/a, published on 10 Jun 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability exists in Arista’s Cloud EOS VM / vEOS 4.23.2M and below releases in the 4.23.x train, 4.22.4M and below releases in the 4.22.x train, 4.21.3M to 4.21.9M releases in the 4.21.x train, 4.21.3FX-7368.*, 4.21.4-FCRFX.*, 4.21.4.1, 4.21.7.1, 4.22.2.0.1, 4.22.2.2.1, 4.22.3.1, and 4.23.2.1 Router code in a scenario where TCP MSS options are configured.
Which versions are affected by CVE-2020-11622?
It affects 2 products.
Products include Arista Cloudeos, Arista Veos.
How do I fix CVE-2020-11622?
No fix has been published for CVE-2020-11622 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-2020-11622 being exploited?
There is no known exploitation of CVE-2020-11622 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-536w-ccgx-f4pc.