CVE-2022-48390

Local privilege escalation via missing permission check

Published Jun 6, 2023 · Updated Jan 7, 2025

Missing authorization in UNISOC telephony service allows local users to escalate privileges on devices using affected chipsets. UNISOC has not disclosed the affected interface, missing permission check, or privileged operation exposed by the service. Exploitation requires local access but no existing privileges or user interaction; the vendor does not specify the elevated capability obtained.

CVSS severity7.3
High
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 UNISOC telephony service allows local users to escalate privileges on devices using affected chipsets. UNISOC has not disclosed the affected interface, missing permission check, or privileged operation exposed by the service. Exploitation requires local access but no existing privileges or user interaction; the vendor does not specify the elevated capability obtained.

The record

CVE
CVE-2022-48390
Published
Jun 6, 2023
Updated
Jan 7, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-862, T1068
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 6, 2023CVE publishedPublication date reported by the CVE source.
  2. Jan 7, 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 privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.3UNISOCCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

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 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-862Missing Authorization
T1068Exploitation 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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