# CVE-2019-6551: Auth bypass in Pangea Communications Internet FAX ATA

> Attackers can bypass authentication via a crafted URL to reboot the device, causing a denial-of-service condition.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 28 Feb 2019
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-xgfw-p7jc-xwr2

## What is CVE-2019-6551?

CVE-2019-6551 is a high-severity authentication bypass vulnerability in ICS-CERT Pangea Communications Internet FAX ATA, published on 28 Feb 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Pangea Communications Internet FAX ATA all Versions 3.1.8 and prior allow an attacker to bypass user authentication using a specially crafted URL to cause the device to reboot, which may be used to cause a continual denial-of-service condition.

Weakness: CWE-425 (Direct Request), CWE-288 (Authentication Bypass Using an Alternate Path or Channel)

## Which versions are affected by CVE-2019-6551?

It affects 1 product.


Products: Pangea-Comm Fax Ata.

## How do I fix CVE-2019-6551?

No fix has been published for CVE-2019-6551 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-6551 being exploited?

There is no known exploitation of CVE-2019-6551 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-6551 and fix it if it is affected.

What it is: CVE-2019-6551 is a high-severity authentication bypass vulnerability in ICS-CERT Pangea Communications Internet FAX ATA, published on 28 Feb 2019. 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-2019-6551 in the wild and no public exploit code.

Affected product: ICS-CERT Pangea Communications Internet FAX ATA. 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-2019-6551/ (Markdown: https://insights.sbomify.com/CVE-2019-6551/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-6551
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-6551
- OSV: https://osv.dev/vulnerability/CVE-2019-6551

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-6551/
Summaries are generated and may contain mistakes; the official description above is the record.