What is CVE-2021-44892?

CVE-2021-44892 is a high-severity vulnerability in Thinkphp. CVSS score: 8.8/10. Published 2022-02-10.

How severe is CVE-2021-44892?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Thinkphp

CVE-2021-44892

A Remote Code Execution (RCE) vulnerability exists in ThinkPHP 3.x.x via value[_filename] in index.php, which could let a malicious user obtain server control privileges.

Published 2022-02-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.020 (80.2th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000

Affected products

Thinkphp — versions 3.2.3

References

github.com/Stakcery/Web-Security/issues/1 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2021-44892?: CVE-2021-44892 is a high-severity vulnerability in Thinkphp. CVSS score: 8.8/10. Published 2022-02-10.
How severe is CVE-2021-44892?: High severity. CVSS v3 base score is 8.8 out of 10.