SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2009-4412

Unrestricted file upload vulnerability in Serendipity before 1.5 allows remote authenticated users to execute arbitrary code by uploading a file with an executable extension followed by a safe extension, then accessing it via a direct request to the…

MEDIUM 6.0EPSS 1.85%

Does this matter?

Lower severity and a low EPSS score (1.85%). Track it; it rarely justifies an emergency change on its own.

Description

Unrestricted file upload vulnerability in Serendipity before 1.5 allows remote authenticated users to execute arbitrary code by uploading a file with an executable extension followed by a safe extension, then accessing it via a direct request to the file in an unspecified directory. NOTE: some of these details are obtained from third party information.

CVSS 2.0
6.0 MEDIUMAV:N/AC:M/Au:S/C:P/I:P/A:P
EPSS
1.85% probability · 79th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
s9y/serendipity
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 1.85%26 October 202626 October 2026

EPSS 1.9% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.