Denial of Service Vulnerability in Aerohive HiveOS by Extreme Networks
CVE-2020-36907

8.7HIGH

Key Information:

Vendor
CVE Published:
6 January 2026

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2020-36907?

Aerohive HiveOS contains a vulnerability in its NetConfig UI that could allow unauthenticated attackers to disrupt service. By sending a specially crafted HTTP request to the action.php5 script with specific parameters, an attacker can render the web interface unusable, causing service disruption for up to five minutes. This vulnerability poses a significant risk to administrators relying on the web interface for management and operational tasks.

Affected Version(s)

Aerohive HiveOS <=11.x

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

LiquidWorm as Gjoko Krstic of Zero Science Lab
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CVE-2020-36907 : Denial of Service Vulnerability in Aerohive HiveOS by Extreme Networks