How severe is CVE-2018-17921?

CVE-2018-17921 has a CVSS 3.x base score of 8.8, 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 high.

Is CVE-2018-17921 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-17921?

CVE-2018-17921 affects Sagaradio Saga1-l8b Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-17921?

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-2018-17921 published?

CVE-2018-17921 was published on 2018-10-24 and last updated on 2026-06-17.

CVE-2018-17921

CVE-2018-17921 is a high-severity vulnerability in Sagaradio Saga1-l8b Firmware with a CVSS 3.x base score of 8.8. 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-284.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 5.8
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Sagaradio Saga1-l8b Firmware
Published: 2018-10-24
Last modified: 2026-06-17

Description

SAGA1-L8B with any firmware versions prior to A0.10 are vulnerable to an attack that may allow an attacker to force-pair the device without human interaction.

Frequently asked questions

What is CVE-2018-17921?: SAGA1-L8B with any firmware versions prior to A0.10 are vulnerable to an attack that may allow an attacker to force-pair the device without human interaction.
How severe is CVE-2018-17921?: CVE-2018-17921 has a CVSS 3.x base score of 8.8, 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 high.
Is CVE-2018-17921 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-17921?: CVE-2018-17921 affects Sagaradio Saga1-l8b Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-17921?: 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-2018-17921 published?: CVE-2018-17921 was published on 2018-10-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:sagaradio:saga1-l8b_firmware:*:*:*:*:*:*:*:*

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