CVE-2023-40653

Local privilege escalation via missing permission check

Published Oct 8, 2023 · Updated Aug 2, 2024

Improper access control in Unisoc Android 11 FW-PackageManager allows local users to escalate privileges via a missing permission check. UNISOC has not identified the affected FW-PackageManager operation or disclosed how attacker-controlled input reaches the missing permission check. Exploitation is local and requires user interaction; the vendor describes privilege escalation but does not specify the resulting privilege level.

CVSS severity5.5
Medium
EPSS probability0.08%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in Unisoc Android 11 FW-PackageManager allows local users to escalate privileges via a missing permission check. UNISOC has not identified the affected FW-PackageManager operation or disclosed how attacker-controlled input reaches the missing permission check. Exploitation is local and requires user interaction; the vendor describes privilege escalation but does not specify the resulting privilege level.

The record

CVE
CVE-2023-40653
Published
Oct 8, 2023
Updated
Aug 2, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-284, T1404
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 8, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.5UNISOCCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-284Improper Access Control
T1404Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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