# CVE-2020-27992: Privilege escalation in n/a

> Local attackers can escalate privileges by replacing a driver installer executable due to insecure file permissions in the Wondershare Dr.Fone application.

- **Severity:** High 7.8 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 31 Oct 2020
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-wc9q-rchp-5rxf

## What is CVE-2020-27992?

CVE-2020-27992 is a high-severity vulnerability in n/a, published on 31 Oct 2020. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Dr.Fone 3.0.0 allows local users to gain privileges via a Trojan horse DriverInstall.exe because %PROGRAMFILES(X86)%\Wondershare\dr.fone\Library\DriverInstaller has Full Control for BUILTIN\Users.

Weakness: CWE-732 (Incorrect Permission Assignment for Critical Resource)

## Which versions are affected by CVE-2020-27992?

It affects 1 product.


Products: Wondershare Dr.fone.

## How do I fix CVE-2020-27992?

No fix has been published for CVE-2020-27992 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-27992 being exploited?

There is no known exploitation of CVE-2020-27992 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2021-44596](https://insights.sbomify.com/CVE-2021-44596/): Command injection in n/a (critical 9.8)
- [CVE-2021-44595](https://insights.sbomify.com/CVE-2021-44595/): Missing authorization in n/a (high 8.8)
- [CVE-2022-50900](https://insights.sbomify.com/CVE-2022-50900/): Wondershare Dr.Fone 12.0.18 - 'Wondershare InstallAssist' Unquoted Service Path (high 8.5)
- [CVE-2022-50901](https://insights.sbomify.com/CVE-2022-50901/): Wondershare Dr.Fone 11.4.9 - 'DFWSIDService' Unquoted Service Path (high 8.5)
- [CVE-2023-29835](https://insights.sbomify.com/CVE-2023-29835/): Privilege escalation in n/a (high 7.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-27992 and fix it if it is affected.

What it is: CVE-2020-27992 is a high-severity vulnerability in n/a, published on 31 Oct 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2020-27992 in the wild and no public exploit code.

Affected product: n/a. 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-2020-27992/ (Markdown: https://insights.sbomify.com/CVE-2020-27992/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-27992
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-27992
- OSV: https://osv.dev/vulnerability/CVE-2020-27992

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-27992/
Summaries are generated and may contain mistakes; the official description above is the record.