How severe is CVE-2019-9861?

CVE-2019-9861 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2019-9861 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-9861?

CVE-2019-9861 affects Abus Secvest Wireless Alarm System Fuaa50000 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-9861?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-9861 published?

CVE-2019-9861 was published on 2019-05-14 and last updated on 2026-06-17.

CVE-2019-9861

CVE-2019-9861 is a high-severity vulnerability in Abus Secvest Wireless Alarm System Fuaa50000 Firmware with a CVSS 3.x base score of 8.1. 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-310.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 4.8
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Abus Secvest Wireless Alarm System Fuaa50000 Firmware
Published: 2019-05-14
Last modified: 2026-06-17

Description

Due to the use of an insecure RFID technology (MIFARE Classic), ABUS proximity chip keys (RFID tokens) of the ABUS Secvest FUAA50000 wireless alarm system can easily be cloned and used to deactivate the alarm system in an unauthorized way.

Frequently asked questions

What is CVE-2019-9861?: Due to the use of an insecure RFID technology (MIFARE Classic), ABUS proximity chip keys (RFID tokens) of the ABUS Secvest FUAA50000 wireless alarm system can easily be cloned and used to deactivate the alarm system in an unauthorized way.
How severe is CVE-2019-9861?: CVE-2019-9861 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2019-9861 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-9861?: CVE-2019-9861 affects Abus Secvest Wireless Alarm System Fuaa50000 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-9861?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-9861 published?: CVE-2019-9861 was published on 2019-05-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:abus:secvest_wireless_alarm_system_fuaa50000_firmware:3.01.01:*:*:*:*:*:*:*

More vulnerabilities in Abus Secvest Wireless Alarm System Fuaa50000 Firmware

CVE-2019-9863 — Critical (CVSS 9.8): Due to the use of an insecure algorithm for rolling codes in the ABUS Secvest wireless alarm system FUAA50000 3.01.01…
CVE-2020-28973 — High (CVSS 7.5): The ABUS Secvest wireless alarm system FUAA50000 (v3.01.17) fails to properly authenticate some requests to its…
CVE-2019-14261 — High (CVSS 7.5): An issue was discovered on ABUS Secvest FUAA50000 3.01.01 devices. Due to an insufficient implementation of jamming…
CVE-2019-9860 — High (CVSS 7.5): Due to unencrypted signal communication and predictability of rolling codes, an attacker can "desynchronize" an ABUS…
CVE-2019-9862 — Medium (CVSS 6.5): An issue was discovered on ABUS Secvest wireless alarm system FUAA50000 3.01.01 in conjunction with Secvest remote…

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