CVE-2023-42655 | BDVDB-2026-215822 Detail

Unisoc (Shanghai) TechnologiesT760/T770/T820/S8000

Description#

In sim service, there is a possible way to write permission usage records of an app due to a missing permission check. This could lead to local escalation of privilege with System execution privileges needed

Impact#

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

Weaknesses#

CWE-862 Missing Authorization

References#

https://www.unisoc.com/en_us/secy/announcementDetail/https://www.unisoc.com/en_us/secy/announcementDetail/1719615756246777857

Exploit#

No public exploit known

History#

Version 12023-11-01Record published in the CVE List.
Version 22024-09-05Most recent update recorded in the CVE List.

Published

Published: 2023-11-01
Last modified: 2024-09-05

Vendor information

Vendor: Unisoc (Shanghai) Technologies
Product: T760/T770/T820/S8000

All Unisoc (Shanghai) Technologies vulnerabilities

Score

6.7 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 0.4.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Missing Authorization

Action

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

Affected Systems

Vulnerable
Android11
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

6.7 Medium

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

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	High
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).