CVE-2021-41566

9.8 criticalEPSS 2.0%

Critical (9.8) in tadtools project tadtools. EPSS 2.0% chance of exploitation in the next 30 days.

The file extension of the TadTools file upload function fails to filter, thus remote attackers can upload any types of files and execute arbitrary code without logging in.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 2.0% chance of exploitation in the next 30 days; higher than 80% of CVEs (scores of 2026-10-31)
CWE: CWE-434
Published: 2021-10-08
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

tadtools_project:tadtools

References

https://www.twcert.org.tw/tw/cp-132-5170-83472-1.html
https://www.twcert.org.tw/tw/cp-132-5170-83472-1.html

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