How severe is CVE-2023-39843?

CVE-2023-39843 has a CVSS 3.x base score of 2.4, rated low severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2023-39843 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-39843?

CVE-2023-39843 affects Sulimet 5-in-1 Smart Door Lock Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-39843?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-39843 published?

CVE-2023-39843 was published on 2023-08-15 and last updated on 2026-06-17.

CVE-2023-39843

CVE-2023-39843 is a low-severity vulnerability in Sulimet 5-in-1 Smart Door Lock Firmware with a CVSS 3.x base score of 2.4. 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-311.

Key facts

Severity: Low (CVSS 3.x base score 2.4)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-311
Affected product: Sulimet 5-in-1 Smart Door Lock Firmware
Published: 2023-08-15
Last modified: 2026-06-17

Description

Missing encryption in the RFID tag of Suleve 5-in-1 Smart Door Lock v1.0 allows attackers to create a cloned tag via brief physical proximity to the original device.

Frequently asked questions

What is CVE-2023-39843?: Missing encryption in the RFID tag of Suleve 5-in-1 Smart Door Lock v1.0 allows attackers to create a cloned tag via brief physical proximity to the original device.
How severe is CVE-2023-39843?: CVE-2023-39843 has a CVSS 3.x base score of 2.4, rated low severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2023-39843 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-39843?: CVE-2023-39843 affects Sulimet 5-in-1 Smart Door Lock Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-39843?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-39843 published?: CVE-2023-39843 was published on 2023-08-15 and last updated on 2026-06-17.

References

https://ashallen.net/smart-security-device-rfid-vulnerability-disclosure

Affected products (1)

cpe:2.3:o:sulimet:5-in-1_smart_door_lock_firmware:1.0:*:*:*:*:*:*:*

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