PT-2020-12452 · Serendipity · Serendipity

Junyu Zhang · Published 2020-03-25 · Updated 2020-03-27 · CVE-2020-10964

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Serendipity versions prior to 2.3.4

Description The issue allows remote attackers to execute arbitrary code. This is possible because the filename of a renamed file may end with a dot, and this file may then be renamed to have a .php filename.

Recommendations For versions prior to 2.3.4, update to version 2.3.4 or later to resolve the issue.

Fix

RCE

Unrestricted File Upload

Weakness Enumeration

CWE-434

Related Identifiers

CVE-2020-10964

Affected Products

Serendipity

References · 4

• https://blog.s9y.org/archives/290-Serendipity-2.3.4-released-security-update.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-10964 · Security Note
• https://osv.dev/vulnerability/CVE-2020-10964 · Vendor Advisory
• https://github.com/s9y/Serendipity/releases/tag/2.3.4 · Note