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CVE-2021-23592 — Deserialization of Untrusted Data in...

CRITICAL

Deserialization of Untrusted Data in topthink/framework

Published May 7, 2022Updated September 10, 2026Source: osv

Summary

The package topthink/framework before version 6.0.12 is vulnerable to Deserialization of Untrusted Data due to insecure `unserialize` method in the `Driver` class.

Advisory Timeline

  • First published May 7, 2022 (1620 days ago).
  • Last revised September 10, 2026 — 1587 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Composer
Update topthink/framework to 6.0.12 or later
composer require "topthink/framework:^6.0.12"

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

Affected Packages (1)

Affects 1 ecosystem: packagist (1).

PackageEcosystemAffectedFixed In
topthink/framework
packagist
5.0, 5.0-rc1, 5.0-rc2, 5.0-rc3 (+94 more)6.0.12

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-2021-23592?
Deserialization of Untrusted Data in topthink/framework 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-2021-23592?
CVE-2021-23592 affects topthink/framework. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2021-23592 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-3fpv-54ff-wqfj
SNYK-PHP-TOPTHINKFRAMEWORK-2385695

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