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Vulnerabilities

Vulnerability · CVE-2020-36907

Aerohive HiveOS contains a denial of service vulnerability in the NetConfig UI that allows unauthenticated attackers to render the web interface unusable.

Published Jan 6, 2026 · catalog updated Mar 23, 2026 · Extreme Networks Aerohive HiveOS

Last checked Nov 5, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2020-36907. EPSS is 0.55%. Act only if a listed version of Extreme Networks Aerohive HiveOS is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.7
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.55%
Remediation
Vendor / distro source
Affected products
vendor Extreme Networks Aerohive HiveOS ≤11.0

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Extreme Networks Aerohive HiveOS ≤11.0≤11.0

How to fix CVE-2020-36907

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2020-36907. EPSS is 0.55%. Act only if a listed version of Extreme Networks Aerohive HiveOS is installed.

Which versions are affected?

Compare what you have installed with Extreme Networks Aerohive HiveOS ≤11.0 ≤11.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.55%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 6, 2026 · EUVD

    Detected

    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.

  2. Mar 23, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2020-36907

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2020-36907

    30-day exploitation probability 0.55%

    first.org
  • EUVDVulnerability recordEUVD-2026-1030

    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 di

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 5, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 5, 2026
  • CVE.orgOct 30, 2026
  • EUVDOct 30, 2026