# CVE-2018-8862: Auth bypass in Emergency Mass Notification Systems

> Attackers can remotely trigger false alarms in ATI Systems notification devices via malicious radio transmissions due to improper authentication.

- **Severity:** Low 3.1 (`CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A: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:** 25 May 2018
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-fpp6-xw3r-cjjx

## What is CVE-2018-8862?

CVE-2018-8862 is a low-severity authentication bypass vulnerability in Acoustic Technology, Inc. (ATI Systems) Emergency Mass Notification Systems, published on 25 May 2018. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

In ATI Systems Emergency Mass Notification Systems (HPSS16, HPSS32, MHPSS, and ALERT4000) devices, an improper authentication vulnerability caused by specially crafted malicious radio transmissions may allow an attacker to remotely trigger false alarms.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2018-8862?

It affects 4 products.


Products: Atisystem Alert4000 Firmware, Atisystem Hpss16 Firmware, Atisystem Hpss32 Firmware, Atisystem Mhpss Firmware.

## How do I fix CVE-2018-8862?

No fix has been published for CVE-2018-8862 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-8862 being exploited?

There is no known exploitation of CVE-2018-8862 in the wild and no public exploit code.

## Other vulnerabilities in Acoustic Technology, Inc. (ATI Systems) Emergency Mass Notification Systems

- [CVE-2018-8864](https://insights.sbomify.com/CVE-2018-8864/): Weak cryptography in ATI Emergency Mass Notification Systems (low 3.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-8862 and fix it if it is affected.

What it is: CVE-2018-8862 is a low-severity authentication bypass vulnerability in Acoustic Technology, Inc. (ATI Systems) Emergency Mass Notification Systems, published on 25 May 2018. 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-2018-8862 in the wild and no public exploit code.

Affected product: Acoustic Technology, Inc. (ATI Systems) Emergency Mass Notification Systems. 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-2018-8862/ (Markdown: https://insights.sbomify.com/CVE-2018-8862/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-8862
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-8862
- OSV: https://osv.dev/vulnerability/CVE-2018-8862

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-8862/
Summaries are generated and may contain mistakes; the official description above is the record.