How severe is CVE-2018-15483?

CVE-2018-15483 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-15483 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-15483?

CVE-2018-15483 affects Kone Group Controller Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-15483?

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-2018-15483 published?

CVE-2018-15483 was published on 2018-09-07 and last updated on 2026-06-17.

CVE-2018-15483

CVE-2018-15483 is a high-severity vulnerability in Kone Group Controller Firmware with a CVSS 3.x base score of 7.5. 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Kone Group Controller Firmware
Published: 2018-09-07
Last modified: 2026-06-17

Description

An issue was discovered on KONE Group Controller (KGC) devices before 4.6.5. Denial of Service can occur through the open HTTP interface, aka KONE-04.

Frequently asked questions

What is CVE-2018-15483?: An issue was discovered on KONE Group Controller (KGC) devices before 4.6.5. Denial of Service can occur through the open HTTP interface, aka KONE-04.
How severe is CVE-2018-15483?: CVE-2018-15483 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-15483 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-15483?: CVE-2018-15483 affects Kone Group Controller Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-15483?: 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-2018-15483 published?: CVE-2018-15483 was published on 2018-09-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:kone:group_controller_firmware:*:*:*:*:*:*:*:*

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CVE-2018-15484 — Critical (CVSS 9.8): An issue was discovered on KONE Group Controller (KGC) devices before 4.6.5. Unauthenticated Remote Code Execution is…
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