CVE-2021-23592
The package topthink/framework before 6.0.12 are vulnerable to Deserialization of Untrusted Data due to insecure unserialize method in the Driver class.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.73%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.73% probability · 77th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-502
- Affected
- thinkphp/thinkphp
- Source
- report@snyk.io
EPSS 1.7% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/top-think/framework/commit/d3b5aeae94bc71bae97977d05cd12c3e0550905cPatch, Third Party Advisory
- https://github.com/top-think/framework/releases/tag/v6.0.12Third Party Advisory
- https://snyk.io/vuln/SNYK-PHP-TOPTHINKFRAMEWORK-2385695Third Party Advisory
- https://github.com/top-think/framework/commit/d3b5aeae94bc71bae97977d05cd12c3e0550905cPatch, Third Party Advisory
- https://github.com/top-think/framework/releases/tag/v6.0.12Third Party Advisory
- https://snyk.io/vuln/SNYK-PHP-TOPTHINKFRAMEWORK-2385695Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.