How severe is CVE-2024-54983?

CVE-2024-54983 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-54983 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-54983?

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

Does CVE-2024-54983 have an EU (EUVD) identifier?

Yes. CVE-2024-54983 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-52718.

When was CVE-2024-54983 published?

CVE-2024-54983 was published on 2024-12-19 and last updated on 2026-06-17.

CVE-2024-54983

CVE-2024-54983 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. 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-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-52718
Weakness: CWE-306
Published: 2024-12-19
Last modified: 2026-06-17

Description

An issue in Quectel BC95-CNV V100R001C00SPC051 allows attackers to bypass authentication via a crafted NAS message.

Frequently asked questions

What is CVE-2024-54983?: An issue in Quectel BC95-CNV V100R001C00SPC051 allows attackers to bypass authentication via a crafted NAS message.
How severe is CVE-2024-54983?: CVE-2024-54983 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-54983 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-54983?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-54983 have an EU (EUVD) identifier?: Yes. CVE-2024-54983 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-52718.
When was CVE-2024-54983 published?: CVE-2024-54983 was published on 2024-12-19 and last updated on 2026-06-17.

References

https://github.com/haroldfeng/nbiot-va/blob/master/Quecctel_BC95-CNV_Message_Auth_Bypass.md

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