# CVE-2020-36907: Extreme Networks Aerohive HiveOS <=11.x 11.x Unauthenticated Remote Denial of Service

> Unauthenticated attackers can cause a 5-minute denial of service in the Aerohive HiveOS web interface by sending crafted HTTP requests.

- **Severity:** High 8.7 (`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`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 6 Jan 2026
- **Updated:** 23 Mar 2026
- **Also known as:** GHSA-44wj-2xjx-wf38

## What is CVE-2020-36907?

CVE-2020-36907 is a high-severity denial of service vulnerability in Extreme Networks Aerohive HiveOS, published on 6 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official 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.

Weakness: CWE-770 (Allocation of Resources Without Limits or Throttling)

## Which versions are affected by CVE-2020-36907?


## How do I fix CVE-2020-36907?

No fix has been published for CVE-2020-36907 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-36907 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-36907 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-36907 and fix it if it is affected.

What it is: CVE-2020-36907 is a high-severity denial of service vulnerability in Extreme Networks Aerohive HiveOS, published on 6 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-36907 exists.

Affected product: Extreme Networks Aerohive HiveOS. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2020-36907/ (Markdown: https://insights.sbomify.com/CVE-2020-36907/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-36907
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-36907
- OSV: https://osv.dev/vulnerability/CVE-2020-36907

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From sbomify Insights: https://insights.sbomify.com/CVE-2020-36907/
Summaries are generated and may contain mistakes; the official description above is the record.