CVE-2023-30915

Local information disclosure via missing permission check

Published Jun 6, 2023 · Updated Jan 8, 2025

Missing authorization in the UNISOC Android email service on Android 10 through Android 12 allows local users to disclose information. The email service fails to perform a required permission check, but UNISOC has not disclosed the affected interface or protected data. A local user with low privileges can reach the flaw without user interaction; the reported consequence is confidentiality loss only.

CVSS severity5.5
Medium
EPSS probability0.08%
Next 30 days · Sep 17, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in the UNISOC Android email service on Android 10 through Android 12 allows local users to disclose information. The email service fails to perform a required permission check, but UNISOC has not disclosed the affected interface or protected data. A local user with low privileges can reach the flaw without user interaction; the reported consequence is confidentiality loss only.

The record

CVE
CVE-2023-30915
Published
Jun 6, 2023
Updated
Jan 8, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-862, CWE-200, T1533
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 6, 2023CVE publishedPublication date reported by the CVE source.
  2. Jan 8, 2025Record 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 privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.5CISA-ADPCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
5.9UNISOCCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

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 11, 2026Sep 17, 2026
Latest reporting daySep 17, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
CWE-200Exposure of Sensitive Information to an Unauthorized Actor
T1533Data from Local System

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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