What is CVE-2023-26941?

CVE-2023-26941 is a medium-severity vulnerability in Assaabloy Yale Conexis L1, classified under Inadequate Encryption Strength. CVSS score: 6.5/10. Published 2023-12-05.

How severe is CVE-2023-26941?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Assaabloy Yale Conexis L1

CVE-2023-26941

Weak encryption mechanisms in RFID Tags in Yale Conexis L1 v1.1.0 allows attackers to create a cloned tag via physical proximity to the original.

Published 2023-12-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.002 (6.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 6.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Assaabloy Yale Conexis L1
Assaabloy Yale Conexis L1 Firmware — versions 1.1.0

Weakness classification (CWE)

CWE-326 — Inadequate Encryption Strength

References

www.researchgate.net/publication/375759408_Technical_Report_-_CVE-2022-46480_CV… (Technical Description, Exploit, Third Party Advisory)
arxiv.org/abs/2312.00021

Frequently asked questions

What is CVE-2023-26941?: CVE-2023-26941 is a medium-severity vulnerability in Assaabloy Yale Conexis L1, classified under Inadequate Encryption Strength. CVSS score: 6.5/10. Published 2023-12-05.
How severe is CVE-2023-26941?: Medium severity. CVSS v3 base score is 6.5 out of 10.