CVE-2020-36907CWE-770

Extreme Networks Aerohive HiveOS <=11.x 11.x Unauthenticated Remote Denial of Service

High · published January 6, 2026

CVSS v4.0
8.7
EPSS
1%
Percentile
45.0
In the wild
Unconfirmed
What it is

🚨 An unauthenticated HTTP request is all it takes to bring the NetConfig UI crashing down! 🔥 Think of it like a restaurant where an anonymous customer walks in, yells something rude, and suddenly the entire team is too flustered to serve anyone — that’s the denial of service vulnerability here! An attacker could trigger a 5-minute service disruption, leaving your web interface unusable and users frustrated. In a world where uptime is crucial, this could lead to lost productivity and a tarnished reputation. Don't let this pesky bug spoil your service!

Put simply

Think of it like a restaurant where an anonymous customer walks in, yells something rude, and suddenly the entire team is too flustered to serve anyone — that’s the denial of service vulnerability here! This vulnerability exists in Aerohive HiveOS's NetConfig UI, where a crafted HTTP request to the action.php5 script can cause a denial of service by disrupting the web interface without any authentication needed.

What to do

An attacker could trigger a 5-minute service disruption, leaving your web interface unusable and users frustrated. In a world where uptime is crucial, this could lead to lost productivity and a tarnished reputation. Don't let this pesky bug spoil your service! Patch to the latest version of HiveOS as soon as possible to mitigate this vulnerability. Moreover, consider implementing stricter access controls to limit who can send requests to the NetConfig UI. Don't let unauthorized access run rampant! This is fixable! Follow these steps and you'll have your system back in tip-top shape in no time. 🛡️

The record
Technical detail
CVSS v4.0
8.7 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
EPSS
0.00546 · 45.0th percentile
Weakness
CWE-770 · Allocation of Resources Without Limits or Throttling
Published
2026-01-06T15:52Z
EPSS history
Timeline
  • 06 JAN 15:52Z
    Extreme Networks Aerohive HiveOS <=11.x 11.x Unauthenticated Remote Denial of Service
    cvelistv5