# CVE-2022-36781: ConnectWise - ScreenConnect Session Code Bypass

> Attackers can brute force access tokens due to missing rate limiting, gaining unauthorized remote access to ScreenConnect sessions.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 28 Sep 2022
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-9xh6-8fcg-f9qm

## What is CVE-2022-36781?

CVE-2022-36781 is a medium-severity authentication bypass vulnerability in ConnectWise ScreenConnect, published on 28 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

ConnectWise ScreenConnect versions 22.6 and below contained a flaw allowing potential brute force attacks on custom access tokens due to inadequate rate-limiting controls in the default configuration. Attackers could exploit this vulnerability to gain unauthorized access by repeatedly attempting access code combinations. ConnectWise has addressed this issue in later versions by implementing rate-limiting controls as a preventive measure against brute force attacks.

Weakness: CWE-307 (Improper Restriction of Excessive Authentication Attempts)

## Which versions are affected by CVE-2022-36781?

It affects 1 product.


Products: Connectwise Screenconnect.

## How do I fix CVE-2022-36781?

No fix has been published for CVE-2022-36781 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-36781 being exploited?

There is no known exploitation of CVE-2022-36781 in the wild and no public exploit code.

## Other vulnerabilities in ConnectWise ScreenConnect

- [CVE-2024-1709](https://insights.sbomify.com/CVE-2024-1709/): ConnectWise ScreenConnect Authentication Bypass (critical 10.0, exploited in the wild)
- [CVE-2026-84869](https://insights.sbomify.com/CVE-2026-84869/): ConnectWise ScreenConnect Improper Privilege Management and Missing Authorization (critical 9.9, exploited in the wild)
- [CVE-2024-1708](https://insights.sbomify.com/CVE-2024-1708/): ConnectWise ScreenConnect Path Traversal (high 8.4, exploited in the wild)
- [CVE-2025-3935](https://insights.sbomify.com/CVE-2025-3935/): ConnectWise ScreenConnect Improper Authentication (high 8.1, exploited in the wild)
- [CVE-2025-14265](https://insights.sbomify.com/CVE-2025-14265/): Improper server-side validation in ScreenConnect extension framework (critical 9.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-36781 and fix it if it is affected.

What it is: CVE-2022-36781 is a medium-severity authentication bypass vulnerability in ConnectWise ScreenConnect, published on 28 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2022-36781 in the wild and no public exploit code.

Affected product: ConnectWise ScreenConnect. 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-2022-36781/ (Markdown: https://insights.sbomify.com/CVE-2022-36781/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-36781
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-36781
- OSV: https://osv.dev/vulnerability/CVE-2022-36781

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-36781/
Summaries are generated and may contain mistakes; the official description above is the record.