CVE-2020-36907
Extreme Networks Aerohive HiveOS <=11.x 11.x Unauthenticated Remote Denial of Service
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-770 |
| Vendor | extreme networks |
| Product | aerohive hiveos |
| Published | Jan 6, 2026 |
| Last Updated | Mar 23, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
Extreme Networks / Aerohive HiveOS
<=11.0
References
exploit-db.com: https://www.exploit-db.com/exploits/48441 extremenetworks.com: https://www.extremenetworks.com community.extremenetworks.com: https://community.extremenetworks.com/t5/iq-engine-hive-os-announcements/bg-p/IQ_Engine_Hive_OS_Announcements zeroscience.mk: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5566.php advisories.ncsc.nl: https://advisories.ncsc.nl/2020/ncsc-2020-0367.html exchange.xforce.ibmcloud.com: https://exchange.xforce.ibmcloud.com/vulnerabilities/181649 packetstorm.news: https://packetstorm.news/files/id/157587 vulncheck.com: https://www.vulncheck.com/advisories/extreme-networks-aerohive-hiveos-x-x-unauthenticated-remote-denial-of-service
Credits
LiquidWorm as Gjoko Krstic of Zero Science Lab