Vulnerability · Published Jan 6, 2026 · Assigned by VulnCheck
CVE-2020-36907Extreme Networks Aerohive HiveOS <=11.x 11.x Unauthenticated Remote Denial of Service
High 7.5
In plain English
A high-severity resource allocation without limits in Aerohive HiveOS from Extreme Networks. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.5%top 54.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Extreme Networks | Aerohive HiveOS | <=11.0 |
Weakness: CWE-770 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- ExploitDB-48441 exploit
- Extreme Networks Product Homepage product
- HiveOS Product Announcements product
- Zero Science Lab Disclosure (ZSL-2020-5566) third-party-advisory
- NCSC Security Advisory third-party-advisory
- IBM X-Force Vulnerability Exchange vdb-entry
- Packet Storm Security Exploit Entry exploit
- VulnCheck Advisory: Extreme Networks Aerohive HiveOS <=11.x 11.x Unauthenticated Remote Denial of Service third-party-advisory