How severe is CVE-2023-6874?

CVE-2023-6874 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-2023-6874 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-6874?

CVE-2023-6874 affects Silabs Gecko Software Development Kit. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-6874?

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.

Does CVE-2023-6874 have an EU (EUVD) identifier?

Yes. CVE-2023-6874 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-59078.

When was CVE-2023-6874 published?

CVE-2023-6874 was published on 2024-02-05 and last updated on 2026-06-17.

CVE-2023-6874

CVE-2023-6874 is a high-severity vulnerability in Silabs Gecko Software Development Kit 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-754.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-59078
Weakness: CWE-754
Affected product: Silabs Gecko Software Development Kit
Published: 2024-02-05
Last modified: 2026-06-17

Description

Prior to v7.4.0, Ember ZNet is vulnerable to a denial of service attack through manipulation of the NWK sequence number

Frequently asked questions

What is CVE-2023-6874?: Prior to v7.4.0, Ember ZNet is vulnerable to a denial of service attack through manipulation of the NWK sequence number
How severe is CVE-2023-6874?: CVE-2023-6874 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-2023-6874 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-6874?: CVE-2023-6874 affects Silabs Gecko Software Development Kit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-6874?: 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.
Does CVE-2023-6874 have an EU (EUVD) identifier?: Yes. CVE-2023-6874 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-59078.
When was CVE-2023-6874 published?: CVE-2023-6874 was published on 2024-02-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:silabs:gecko_software_development_kit:*:*:*:*:*:*:*:*

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