Improper Authentication in TrustZone

published 2024-11-26 23 mo ago modified 2026-06-17 4 mo ago also EUVD-2018-3944

cvss: 8.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 1%
public exploits: 0; none known

An image with a version lower than the fuse version may potentially be booted lead to improper authentication.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 23 mo ago (2024-11-26)

Exploit prediction

0.11% chance of exploitation in the next 30 days, higher than 1% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Qualcomm, Inc. Snapdragon

Classification

Weakness

CWE-287 Improper Authentication

References

docs.qualcomm.com /product/publicresources/securitybulletin/may-2018-bulletin.html
vendor-advisory

Sources

CVE List CVE-2018-11952
NVD CVE-2018-11952

Fencer Intel 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