How severe is CVE-2023-26943?

CVE-2023-26943 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2023-26943 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-26943?

CVE-2023-26943 affects Assaabloy Yale Keyless Smart Lock Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-26943?

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

When was CVE-2023-26943 published?

CVE-2023-26943 was published on 2023-12-05 and last updated on 2026-06-17.

CVE-2023-26943

CVE-2023-26943 is a medium-severity vulnerability in Assaabloy Yale Keyless Smart Lock Firmware with a CVSS 3.x base score of 6.5. 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-326.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-326
Affected product: Assaabloy Yale Keyless Smart Lock Firmware
Published: 2023-12-05
Last modified: 2026-06-17

Description

Weak encryption mechanisms in RFID Tags in Yale Keyless Lock v1.0 allows attackers to create a cloned tag via physical proximity to the original.

Frequently asked questions

What is CVE-2023-26943?: Weak encryption mechanisms in RFID Tags in Yale Keyless Lock v1.0 allows attackers to create a cloned tag via physical proximity to the original.
How severe is CVE-2023-26943?: CVE-2023-26943 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2023-26943 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-26943?: CVE-2023-26943 affects Assaabloy Yale Keyless Smart Lock Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-26943?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-26943 published?: CVE-2023-26943 was published on 2023-12-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:assaabloy:yale_keyless_smart_lock_firmware:1.0:*:*:*:*:*:*:*

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