CVE-2020-36907 Extreme Networks Aerohive HiveOS <=11.x 11.x Unauthenticated Remote Denial of Service
Unauthenticated attackers can cause a 5-minute denial of service in the Aerohive HiveOS web interface by sending crafted HTTP requests.
- 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-2020-36907?
CVE-2020-36907 is a high-severity denial of service vulnerability in Extreme Networks Aerohive HiveOS, published on 6 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Aerohive HiveOS contains a denial of service vulnerability in the NetConfig UI that allows unauthenticated attackers to render the web interface unusable. Attackers can send a crafted HTTP request to the action.php5 script with specific parameters to trigger a 5-minute service disruption.
Weakness: CWE-770
Which versions are affected by CVE-2020-36907?
How do I fix CVE-2020-36907?
No fix has been published for CVE-2020-36907 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-2020-36907 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-36907 exists.
Sources
Also known as GHSA-44wj-2xjx-wf38.