How severe is CVE-2018-8864?

CVE-2018-8864 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2018-8864 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-8864?

CVE-2018-8864 primarily affects Atisystem Hpss16 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-8864?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-8864 published?

CVE-2018-8864 was published on 2018-05-25 and last updated on 2026-06-17.

CVE-2018-8864

CVE-2018-8864 is a low-severity vulnerability in Atisystem Hpss16 Firmware with a CVSS 3.x base score of 3.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-311.

Key facts

Severity: Low (CVSS 3.x base score 3.1)
CVSS v2: 2.9
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-311
Affected product: Atisystem Hpss16 Firmware
Published: 2018-05-25
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2018-8864?: In ATI Systems Emergency Mass Notification Systems (HPSS16, HPSS32, MHPSS, and ALERT4000) devices, a missing encryption of sensitive data vulnerability caused by specially crafted malicious radio transmissions may allow an attacker to remotely trigger false alarms.
How severe is CVE-2018-8864?: CVE-2018-8864 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2018-8864 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-8864?: CVE-2018-8864 primarily affects Atisystem Hpss16 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-8864?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-8864 published?: CVE-2018-8864 was published on 2018-05-25 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:o:atisystem:hpss16_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:atisystem:hpss32_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:atisystem:mhpss_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:atisystem:alert4000_firmware:-:*:*:*:*:*:*:*

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