CVE-2021-36321 Denial of service in Networking X-Series
Remote unauthenticated attackers can cause denial of service on Dell Networking X-Series devices via improper input validation.
- 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-2021-36321?
CVE-2021-36321 is a high-severity denial of service vulnerability in Dell Networking X-Series, published on 20 Nov 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Dell Networking X-Series firmware versions prior to 3.0.1.8 contain an improper input validation vulnerability. A remote unauthenticated attacker may potentially exploit this vulnerability by sending specially crafted data to trigger a denial of service.
Weakness: CWE-20
Which versions are affected by CVE-2021-36321?
It affects 9 products.
Products include Dell X1008 Firmware, Dell X1008p Firmware, Dell X1018 Firmware, Dell X1018p Firmware, Dell X1026 Firmware, Dell X1026p Firmware and 3 more.
How do I fix CVE-2021-36321?
No fix has been published for CVE-2021-36321 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-2021-36321 being exploited?
There is no known exploitation of CVE-2021-36321 in the wild and no public exploit code.
Other vulnerabilities in Dell Networking X-Series
Sources
Also known as GHSA-549x-x23c-r7qh.