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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00503.

Exploitation poc

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Extreme Networks Aerohive HiveOS affected
Version Status Constraints
<=11.x affected —

No data.

No data.

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://advisories.ncsc.nl/2020/ncsc-2020-0367.html cve-icon cve-icon
https://community.extremenetworks.com/t5/iq-engine-hive-os-announcements/bg-p/IQ_Engine_Hive_OS_Announcements cve-icon cve-icon
https://exchange.xforce.ibmcloud.com/vulnerabilities/181649 cve-icon cve-icon
https://packetstorm.news/files/id/157587 cve-icon cve-icon
https://www.exploit-db.com/exploits/48441 cve-icon cve-icon
https://www.extremenetworks.com cve-icon cve-icon
https://www.vulncheck.com/advisories/extreme-networks-aerohive-hiveos-x-x-unauthenticated-remote-denial-of-service cve-icon cve-icon
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5566.php cve-icon cve-icon
History

Wed, 07 Jan 2026 10:45:00 +0000

Type Values Removed Values Added
First Time appeared Extremenetworks
Extremenetworks aerohive Hiveos
Vendors & Products Extremenetworks
Extremenetworks aerohive Hiveos

Tue, 06 Jan 2026 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Tue, 06 Jan 2026 16:00:00 +0000

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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-01-06T19:07:22.407Z

Reserved: 2026-01-03T14:10:13.300Z

Link: CVE-2020-36907

cve-icon Vulnrichment

Updated: 2026-01-06T19:05:50.764Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-01-06T16:15:46.327

Modified: 2026-01-08T18:09:23.230

Link: CVE-2020-36907

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-01-07T10:09:04Z

Weaknesses