CVE-2020-23653: Zoujingli/thinkadmin ThinkAdmin Insecure Unserialize Vulnerability Vulnerability

CRITICAL
Advisory Identifier: GHSA-4vp2-mj4m-69m4
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CVSS 9.8
CWE-502
Published
Advisory Summary

CVE-2020-23653 is a CRITICAL (CVSS 9.8) thinkadmin insecure unserialize vulnerability vulnerability (CWE-502: Deserialization of Untrusted Data) affecting Zoujingli/thinkadmin libraries in the Packagist ecosystem. The issue involves thinkadmin insecure unserialize vulnerability. Remediation is available by upgrading affected packages to version 6.1.0.

CVE-2020-23653 at a Glance

CVE Identifier CVE-2020-23653
GHSA Identifier GHSA-4vp2-mj4m-69m4
Severity CRITICAL
CVSS v3.1 Base Score 9.8
CWE Classification CWE-502: Deserialization of Untrusted Data
Affected Product Zoujingli/thinkadmin
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 9.8

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality High (C:H)
Integrity High (I:H)
Availability High (A:H)

How to Fix CVE-2020-23653

To remediate this vulnerability, upgrade all affected Zoujingli/thinkadmin dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

zoujingli/thinkadmin fixed: 6.1.0 
Upgrade zoujingli/thinkadmin to 6.1.0
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for zoujingli/thinkadmin

How to Check if You Are Affected

To determine whether your application is affected by CVE-2020-23653, inspect your project dependencies for Zoujingli/thinkadmin:

inspect dependencies for zoujingli/thinkadmin

Analyze the terminal output to locate any version of Zoujingli/thinkadmin in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 6.1.0), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-502: Deserialization of Untrusted Data, where the product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid. In Zoujingli/thinkadmin, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

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.

CVE-2020-23653 Affected Zoujingli/thinkadmin Versions

1 component(s)
Fixed Versions:
6.1.0
Product / Package Ecosystem Affected Versions Fixed Version
zoujingli/thinkadmin
 Packagist
≥ 4.0
< 6.1.0
6.1.0

References

NVD — CVE-2020-23653 NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-23653
Zoujingli/thinkadmin Source Repository REPOSITORY
https://github.com/zoujingli/ThinkAdmin/issues/238
Security Fix Commit FIX COMMIT
https://github.com/zoujingli/ThinkAdmin/commit/640a61ae0772dcd5209d74dff8ad373e61e8ad8c
Security Fix Commit FIX COMMIT
https://github.com/zoujingli/ThinkAdmin/commit/6ccd4055fc40d2d7d154920a1859a7c19774bd1a
Security Fix Commit FIX COMMIT
https://github.com/zoujingli/ThinkAdmin/commit/b8a2ded90866a285e9022c842e546d8a6fa5fa6d
Zoujingli/thinkadmin Source Repository REPOSITORY
https://github.com/zoujingli/ThinkAdmin

Frequently Asked Questions

What is CVE-2020-23653?
CVE-2020-23653 is a security vulnerability in Zoujingli/thinkadmin involving ThinkAdmin insecure unserialize vulnerability under CWE-502: Deserialization of Untrusted Data.
Which Zoujingli/thinkadmin versions are affected?
Affected versions include releases prior to 6.1.0 across affected packages: zoujingli/thinkadmin.
What version fixes CVE-2020-23653?
Upgrading to 6.1.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is zoujingli/thinkadmin affected?
Yes, zoujingli/thinkadmin is affected in releases prior to 6.1.0. Upgrade your dependency to 6.1.0 or later.
What is the CVSS score of CVE-2020-23653?
CVE-2020-23653 has a CVSS v3.1 base score of 9.8 (CRITICAL) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2020-23653?
CVE-2020-23653 is classified under CWE-502: Deserialization of Untrusted Data (The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.).
How can I check Packagist dependencies for CVE-2020-23653?
Run the dependency tree command: 'inspect dependencies for zoujingli/thinkadmin'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-4vp2-mj4m-69m4",
  "modified" : "2025-05-15T18:48:21Z",
  "published" : "2022-05-24T17:38:58Z",
  "aliases" : [ "CVE-2020-23653" ],
  "summary" : "ThinkAdmin insecure unserialize vulnerability",
  "details" : "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.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "zoujingli/thinkadmin"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "4.0"
      }, {
        "fixed" : "6.1.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-23653"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/zoujingli/ThinkAdmin/issues/238"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/zoujingli/ThinkAdmin/commit/640a61ae0772dcd5209d74dff8ad373e61e8ad8c"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/zoujingli/ThinkAdmin/commit/6ccd4055fc40d2d7d154920a1859a7c19774bd1a"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/zoujingli/ThinkAdmin/commit/b8a2ded90866a285e9022c842e546d8a6fa5fa6d"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/zoujingli/ThinkAdmin"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-502" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-04-24T22:43:36Z",
    "nvd_published_at" : "2021-01-13T18:15:00Z"
  }
}