CVE-2019-18952

CRITICAL EXPLOITED IN THE WILD NUCLEI

SibSoft Xfilesharing <2.5.1 - Code Injection

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2019-18952 has been observed exploited in the wild (reported by VulnCheck KEV, InTheWild.io). A Nuclei detection template is also available.

Description

SibSoft Xfilesharing through 2.5.1 allows cgi-bin/up.cgi arbitrary file upload. This can be combined with CVE-2019-18951 to achieve remote code execution via a .html file, containing short codes, that is served over HTTP.

Nuclei Templates (1)

Xfilesharing 2.5.1 - Arbitrary File Upload
CRITICALby daffainfo
Shodan: html:"/?op=registration" "OpenSSL"

References (2)

Core 2
Core References
Exploit, Third Party Advisory x_refsource_misc
https://gist.github.com/pak0s/af9f640170aed335fdf6d110d468dbce

Scores

CVSS v3 9.8
EPSS 0.4536
EPSS Percentile 98.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

VulnCheck KEV 2022-01-12
InTheWild.io 2021-11-11
CWE
CWE-434
Status published
Products (1)
sibsoft/xfilesharing < 2.5.1
Published Nov 13, 2019
Tracked Since Feb 18, 2026