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
Published May 25, 2018
3.1
LOWCVSS 3.0
EPSS 0.58%
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.
Affected products
- Vendor Acoustic Technology, Inc. (ATI Systems) Product Emergency Mass Notification Systems Defaultn/a
- Version The following ATI's Emergency Mass Notification Systems devices are affected: HPSS16, HPSS32, MHPSS, and ALERT4000.StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Acoustic Technology, Inc. (ATI Systems) | Emergency Mass Notification Systems | n/a |
|
Configuration 1
- n/a
Configuration 2
- n/a
Configuration 3
- n/a
Configuration 4
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
AV:A/AC:M/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.58% (0.00578) | 45.57th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.58% (0.00578) | 46.30th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.05% (0.00051) | 20.32th | v3 (v2023.03.01) |
| Apr 18, 2024 | 0.05% (0.00051) | 18.40th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00049) | 16.31th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.62% (0.00624) | 17.80th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
References (2)
- http://www.securityfocus.com/bid/103721 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-18-100-01 x_refsource_MISCMitigationThird Party AdvisoryUS Government Resource
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/103721 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://ics-cert.us-cert.gov/advisories/ICSA-18-100-01 | x_refsource_MISCMitigationThird Party AdvisoryUS Government Resource |
Change history (0)
No recorded changes yet.