CVE-2021-29377

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-08-12 · updated 2026-06-17
Weakness: CWE-434

Description

Pear Admin Think through 2.1.2 has an arbitrary file upload vulnerability that allows attackers to execute arbitrary code remotely. A .php file can be uploaded via admin.php/index/upload because app/common/service/UploadService.php mishandles fileExt.

Affected products

Pearadmin Think: through 2.1.2

References

https://gitee.com/pear-admin/Pear-Admin-Think/issues/I3DI3T
https://gitee.com/pear-admin/Pear-Admin-Think/issues/I3DI3T

Get alerted when CVE-2021-29377 or the next vulnerability affects your stack