In smp_proc_rand of smp_act.cc, there is a possible authentication bypass during legacy BLE pairing due to incorrect implementation of a pr…

published 2024-07-09 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-35167

cvss: 7.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 16%
public exploits: 0; none known

In smp_proc_rand of smp_act.cc, there is a possible authentication bypass during legacy BLE pairing due to incorrect implementation of a protocol. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Patch / fix

links 1

android.googlesource.com/platform/packages/modules/Bluetooth/+/456f705b9acc78d81845… commit

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 2 y ago (2024-07-12)

Exploit prediction

0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.4	CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	8.8	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	7.4	CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Google Android

Classification

Weakness

CWE-303 Incorrect Implementation of Authentication Algorithm

References

android.googlesource.com /platform/packages/modules/Bluetooth/+/456f705b9acc78d8184536baff3d21b0bc11c957
mailing-list, patch
source.android.com /security/bulletin/2025-01-01
source.android.com /security/bulletin/2024-07-01
not-applicable

Sources

CVE List CVE-2024-34722
NVD CVE-2024-34722

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