CVE-2022-20050

Local privilege escalation via symlink following

Published Mar 9, 2022 · Updated Aug 3, 2024

Elevation of privilege in MediaTek connsyslogger on Android 11.0 and 12.0 allows local users to gain System execution privileges via symlink following. The connsyslogger component improperly resolves symbolic links, allowing a local attacker to redirect privileged file operations to unintended targets. Exploitation requires local access but no user interaction, and successful exploitation can elevate execution privileges to the Android System level.

CVSS severity6.7
Medium
EPSS probability0.14%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Elevation of privilege in MediaTek connsyslogger on Android 11.0 and 12.0 allows local users to gain System execution privileges via symlink following. The connsyslogger component improperly resolves symbolic links, allowing a local attacker to redirect privileged file operations to unintended targets. Exploitation requires local access but no user interaction, and successful exploitation can elevate execution privileges to the Android System level.

The record

CVE
CVE-2022-20050
Published
Mar 9, 2022
Updated
Aug 3, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-61
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 9, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 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 privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

4.6NVDAV:L/AC:L/Au:N/C:P/I:P/A:P
6.7NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-61UNIX Symbolic Link (Symlink) Following

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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