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CVE-2020-23653 — Vulnerability in zoujingli/thinkadmin — CVE Details

CRITICAL

ThinkAdmin insecure unserialize vulnerability

Published May 24, 2022Updated May 15, 2025Source: osv

Summary

An insecure unserialize vulnerability was discovered in ThinkAdmin versions 4.x through 6.x in `app/admin/controller/api/Update.php `and `app/wechat/controller/api/Push.php`, which may lead to arbitrary remote code execution.

Advisory Timeline

  • First published May 24, 2022 (1602 days ago).
  • Last revised May 15, 2025 — 1087 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Composer
Update zoujingli/thinkadmin to 6.1.0 or later
composer require "zoujingli/thinkadmin:^6.1.0"

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: packagist (1).

PackageEcosystemAffectedFixed In
zoujingli/thinkadmin
packagist
All versions6.1.0

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-502
    Deserialization of Untrusted DataMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

References

Frequently Asked Questions

What is CVE-2020-23653?
ThinkAdmin insecure unserialize vulnerability This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2020-23653?
CVE-2020-23653 affects zoujingli/thinkadmin. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2020-23653 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-4vp2-mj4m-69m4

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