How severe is CVE-2023-3048?

CVE-2023-3048 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-2023-3048 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-3048?

CVE-2023-3048 affects Tmtmakine Lockcell Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-3048?

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.

When was CVE-2023-3048 published?

CVE-2023-3048 was published on 2023-06-13 and last updated on 2026-06-17.

CVE-2023-3048

CVE-2023-3048 is a critical-severity vulnerability in Tmtmakine Lockcell Firmware 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-639.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-639
Affected product: Tmtmakine Lockcell Firmware
Published: 2023-06-13
Last modified: 2026-06-17

Description

Authorization Bypass Through User-Controlled Key vulnerability in TMT Lockcell allows Authentication Abuse, Authentication Bypass. This issue affects Lockcell: before 15.

Frequently asked questions

What is CVE-2023-3048?: Authorization Bypass Through User-Controlled Key vulnerability in TMT Lockcell allows Authentication Abuse, Authentication Bypass. This issue affects Lockcell: before 15.
How severe is CVE-2023-3048?: CVE-2023-3048 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-2023-3048 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-3048?: CVE-2023-3048 affects Tmtmakine Lockcell Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-3048?: 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.
When was CVE-2023-3048 published?: CVE-2023-3048 was published on 2023-06-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tmtmakine:lockcell_firmware:*:*:*:*:*:*:*:*

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