Arbitrary file upload in Pearadmin Think
CVE-2021-29377
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.
Vulnerability class: Unrestricted File Upload
EPSS: 0.016 (73.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Pearadmin Pearadmin_think
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
Frequently asked questions
- What is CVE-2021-29377?
- CVE-2021-29377 is a critical-severity vulnerability in Pearadmin Think, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2021-08-12.
- How severe is CVE-2021-29377?
- Critical severity. CVSS v3 base score is 9.8 out of 10.