CVE-2018-8862

3.1 LOW 0.6% exploit odds Fix listed

What it is

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.

At a glance

Exploitability: Can be exploited from the same network segment without logging in. Limited direct impact.
Exploit odds: 0.6% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2018-05-25 16:29 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 02:05 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.6% in the next 30 days (EPSS).
Severity: 3.1 LOW (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2018-05-25 16:29 UTC
Last modified: 2026-06-17 02:05 UTC
Exploit probability: 0.6% · EPSS, next 30 days
Weakness: CWE-287 · Improper authentication
Record status: Modified

Affected

Atisystem hpss16 Firmware
Atisystem hpss32 Firmware
Atisystem Mhpss Firmware
Atisystem alert4000 Firmware

Attack profile CVSS 3.0 · 3.1

Attack vector: Adjacent network
Complexity: High
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: Low
Availability: None

Raw vector

CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

Is it in your code?

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Fix and advisories

References

NVD record · CVE.org record