CVE-2021-23592 Deserialization of Untrusted Data
An attacker can execute arbitrary code by exploiting insecure deserialization in the Driver class of the topthink/framework PHP library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-23592?
CVE-2021-23592 is a high-severity unsafe deserialization vulnerability in topthink/framework, published on 6 May 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The package topthink/framework before 6.0.12 are vulnerable to Deserialization of Untrusted Data due to insecure unserialize method in the Driver class.
Weakness: CWE-502
Which versions are affected by CVE-2021-23592?
2 open source packages ship an affected version, including topthink/framework. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
topthink/framework Packagist | All versions | 6.0.12 |
topthink/framework Packagist | All versions | 6.0.12 |
Products include Thinkphp Thinkphp.
How do I fix CVE-2021-23592?
Upgrade topthink/framework to 6.0.12 or later.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2021-23592 being exploited?
There is no known exploitation of CVE-2021-23592 in the wild and no public exploit code.
Other vulnerabilities in topthink/framework
Sources
Also known as GHSA-3fpv-54ff-wqfj, SNYK-PHP-TOPTHINKFRAMEWORK-2385695.