CVE-2023-33908

Local information disclosure via missing IMS authorization

Published Aug 7, 2023 · Updated Oct 17, 2024

Missing authorization in the IMS service on UNISOC chipsets running Android 11 or 12 allows local users with high privileges to read sensitive data. The published mechanism is limited to an omitted permission check in the IMS service; UNISOC does not identify the affected interface or data. User interaction is also required, and disclosure is limited to information reachable through the undisclosed IMS interface.

CVSS severity4.2
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

Missing authorization in the IMS service on UNISOC chipsets running Android 11 or 12 allows local users with high privileges to read sensitive data. The published mechanism is limited to an omitted permission check in the IMS service; UNISOC does not identify the affected interface or data. User interaction is also required, and disclosure is limited to information reachable through the undisclosed IMS interface.

The record

CVE
CVE-2023-33908
Published
Aug 7, 2023
Updated
Oct 17, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-200, CWE-862
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Aug 7, 2023CVE publishedPublication date reported by the CVE source.
  2. Oct 17, 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 privilegesadmin

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

4.2UNISOCCVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
5.5NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
CWE-862Missing Authorization

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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