# CVE-2022-26519: Interlogix Hills ComNav Improper Restriction of Excessive Authentication Attempts

> Local attackers can brute-force credentials on Hills ComNav configuration pages due to missing authentication attempt limits.

- **Severity:** Medium 5.5 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N`)
- **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:** 20 Apr 2022
- **Updated:** 16 Apr 2025
- **Also known as:** GHSA-rv94-x2c7-f4px

## What is CVE-2022-26519?

CVE-2022-26519 is a medium-severity authentication bypass vulnerability in Interlogix Hills ComNav, published on 20 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

There is no limit to the number of attempts to authenticate for the local configuration pages for the Hills ComNav Version 3002-19 interface, which allows local attackers to brute-force credentials.

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

## Which versions are affected by CVE-2022-26519?

It affects 1 product.


Products: Carrier Hills Comnav Firmware.

## How do I fix CVE-2022-26519?

No fix has been published for CVE-2022-26519 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-26519 being exploited?

There is no known exploitation of CVE-2022-26519 in the wild and no public exploit code.

## Other vulnerabilities in Interlogix Hills ComNav

- [CVE-2022-1318](https://insights.sbomify.com/CVE-2022-1318/): Hills ComNav Inadequate Encryption Strength (medium 6.2)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-26519 and fix it if it is affected.

What it is: CVE-2022-26519 is a medium-severity authentication bypass vulnerability in Interlogix Hills ComNav, published on 20 Apr 2022. 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-2022-26519 in the wild and no public exploit code.

Affected product: Interlogix Hills ComNav. 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-2022-26519/ (Markdown: https://insights.sbomify.com/CVE-2022-26519/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-26519
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-26519
- OSV: https://osv.dev/vulnerability/CVE-2022-26519

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-26519/
Summaries are generated and may contain mistakes; the official description above is the record.