CVE-2020-36907

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

Published Jan 6, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Extremenetworks
Extremenetworks aerohive Hiveos
Vendors & Products Extremenetworks
Extremenetworks aerohive Hiveos
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Extreme Networks Aerohive HiveOS <=11.x 11.x Unauthenticated Remote Denial of Service
Weaknesses CWE-770
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Mar 23, 2026, 3:43 PM
Reserved
Jan 3, 2026, 2:10 PM
Status
Deferred
Published
Jan 6, 2026, 4:15 PM
Modified
Jun 17, 2026, 3:16 AM