Arbitrary file upload in Microsoft Windows

CVE-2020-10964

Serendipity before 2.3.4 on Windows allows remote attackers to execute arbitrary code because the filename of a renamed file may end with a dot. This file may then be renamed to have a .php filename.

Vulnerability class: Unrestricted File Upload

EPSS: 0.028 (85.0th 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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-10964?
CVE-2020-10964 is a critical-severity vulnerability in Microsoft Windows, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2020-03-25.
How severe is CVE-2020-10964?
Critical severity. CVSS v3 base score is 9.8 out of 10.