# CVE-2022-50687: Cobian Backup 11 Gravity 11.2.0.582 Local Denial of Service via Password Field

> Attackers can crash Cobian Backup by pasting a large buffer into the FTP password field, causing a local denial of service.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:L/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:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 22 Dec 2025
- **Updated:** 5 Mar 2026
- **Also known as:** GHSA-2cfm-pf58-8m3h

## What is CVE-2022-50687?

CVE-2022-50687 is a medium-severity denial of service vulnerability in Cobiansoft Cobian Backup Gravity, published on 22 Dec 2025. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Cobian Backup 11 Gravity 11.2.0.582 contains a denial of service vulnerability in the FTP password input field that allows attackers to crash the application. Attackers can generate a specially crafted 800-byte buffer and paste it into the password field to trigger an application crash.

Weakness: CWE-120 (Buffer Copy without Checking Size of Input)

## Which versions are affected by CVE-2022-50687?

It affects 1 product.


Products: Cobiansoft Backup 11.

## How do I fix CVE-2022-50687?

No fix has been published for CVE-2022-50687 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-50687 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-50687 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-50687 and fix it if it is affected.

What it is: CVE-2022-50687 is a medium-severity denial of service vulnerability in Cobiansoft Cobian Backup Gravity, published on 22 Dec 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-50687 exists.

Affected product: Cobiansoft Cobian Backup Gravity. 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-2022-50687/ (Markdown: https://insights.sbomify.com/CVE-2022-50687/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-50687
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-50687
- OSV: https://osv.dev/vulnerability/CVE-2022-50687

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-50687/
Summaries are generated and may contain mistakes; the official description above is the record.