CVE-2023-21358 | BDVDB-2026-215499 Detail

GoogleAndroid

Description#

In UWB Google, there is a possible way for a malicious app to masquerade as system app com.android.uwb.resources due to improperly used crypto. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.

Weaknesses#

CWE-295 Improper Certificate Validation

References#

https://source.android.com/docs/security/bulletin/android-14

Exploit#

No public exploit known

History#

Version 12023-10-30Record published in the CVE List.
Version 22025-04-30Most recent update recorded in the CVE List.

Published

Published: 2023-10-30
Last modified: 2025-04-30

Vendor information

Vendor: Google
Product: Android

All Google vulnerabilities

Score

7.8 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 0.2.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
14
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.8 High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).