# CVE-2020-8145: Missing authorization in UniFi Video Controller (for Windows 7/8/10 x64)

> Low-privileged users can access configuration restore endpoints to overwrite settings and add administrative accounts in UniFi Video Controller.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 1 Apr 2020
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-4phw-36g5-73g8

## What is CVE-2020-8145?

CVE-2020-8145 is a medium-severity missing authorization vulnerability in UniFi Video Controller (for Windows 7/8/10 x64), published on 1 Apr 2020. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The UniFi Video Server (Windows) web interface configuration restore functionality at the “backup” and “wizard” endpoints does not implement sufficient privilege checks. Low privileged users, belonging to the PUBLIC_GROUP or CUSTOM_GROUP groups, can access these endpoints and overwrite the current application configuration. This can be abused for various purposes, including adding new administrative users. Affected Products: UniFi Video Controller v3.9.3 (for Windows 7/8/10 x64) and prior. Fixed in UniFi Video Controller v3.9.6 and newer.

## Which versions are affected by CVE-2020-8145?

It affects 1 product.


Products: Ui Unifi Video.

## How do I fix CVE-2020-8145?

No fix has been published for CVE-2020-8145 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-8145 being exploited?

There is no known exploitation of CVE-2020-8145 in the wild and no public exploit code.

## Other vulnerabilities in UniFi Video Controller (for Windows 7/8/10 x64)

- [CVE-2019-5430](https://insights.sbomify.com/CVE-2019-5430/): Cross-site request forgery in UniFi Video Server (high 8.8)
- [CVE-2020-8144](https://insights.sbomify.com/CVE-2020-8144/): Path traversal in UniFi Video Controller (for Windows 7/8/10 x64) (high 8.4)
- [CVE-2020-24755](https://insights.sbomify.com/CVE-2020-24755/): Other in n/a (high 7.8)
- [CVE-2020-8146](https://insights.sbomify.com/CVE-2020-8146/): Privilege escalation in UniFi Video Controller (for Windows 7/8/10 x64) (high 7.8)
- [CVE-2016-6914](https://insights.sbomify.com/CVE-2016-6914/): Privilege escalation in n/a (high 7.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-8145 and fix it if it is affected.

What it is: CVE-2020-8145 is a medium-severity missing authorization vulnerability in UniFi Video Controller (for Windows 7/8/10 x64), published on 1 Apr 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2020-8145 in the wild and no public exploit code.

Affected product: UniFi Video Controller (for Windows 7/8/10 x64). 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-2020-8145/ (Markdown: https://insights.sbomify.com/CVE-2020-8145/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-8145
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-8145
- OSV: https://osv.dev/vulnerability/CVE-2020-8145

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From sbomify Insights: https://insights.sbomify.com/CVE-2020-8145/
Summaries are generated and may contain mistakes; the official description above is the record.