Incorrect Session Management and Credential Re-use in the Bluetooth LE stack of the Ultraloq UL3 2nd Gen Smart Lock Firmware 02.27.0012 all…

published 2023-12-04 2 y ago modified 2026-06-17 4 mo ago also EUVD-2022-49284

cvss: 8.1; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits: 0; none known

Incorrect Session Management and Credential Re-use in the Bluetooth LE stack of the Ultraloq UL3 2nd Gen Smart Lock Firmware 02.27.0012 allows an attacker to sniff the unlock code and unlock the device whilst within Bluetooth range.

Exploit prediction

0.47% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

researchgate.net https://www.researchgate.net/publication/375759408_Technical_Report_-_CVE-2022-46480_CVE-2023-26941_CVE-2023-26942_and_CVE-2023-26943#fullTextFileContent referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	8.1	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Classification

Weakness

CWE-294 Authentication Bypass by Capture-replay
CWE-384 Session Fixation

References

researchgate.net /publication/375759408_Technical_Report_-_CVE-2022-46480_CVE-2023-26941_CVE-2023-26942_and_CVE-2023-26943#full
exploit, technical-description, third-party-advisory
arxiv.org /abs/2312.00021

Sources

CVE List CVE-2022-46480
NVD CVE-2022-46480

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary