CVE-2019-18952

SibSoft Xfilesharing through 2.5.1 allows cgi-bin/up.cgi arbitrary file upload

published November 13, 2019

CVSS
โ€”
EPSS
45%
Percentile
98.8
In the wild
Unconfirmed
What it is

โš ๏ธ An unsuspecting file upload point could let attackers pounce โ€” this vulnerability in SibSoft Xfilesharing exposes a path to remote code execution! ๐Ÿ”ฅ Think of it like a bakery with a delivery service that accepts any package, no questions asked. If someone slips in a box of explosive cupcakes, the bakery is in serious trouble! An attacker could upload a malicious .html file, potentially executing harmful scripts on your server. This could lead to unauthorized access, data theft, or even full server control โ€” a nightmare scenario for any admin!

Put simply

Think of it like a bakery with a delivery service that accepts any package, no questions asked. If someone slips in a box of explosive cupcakes, the bakery is in serious trouble! This vulnerability allows arbitrary file uploads to the cgi-bin/up.cgi endpoint in SibSoft Xfilesharing 2.5.1. When combined with CVE-2019-18951, it enables remote code execution via the uploaded file, effectively compromising the server.

What to do

An attacker could upload a malicious .html file, potentially executing harmful scripts on your server. This could lead to unauthorized access, data theft, or even full server control โ€” a nightmare scenario for any admin! Immediately restrict file uploads to only trusted formats and sanitize inputs. Upgrade to the latest version of SibSoft Xfilesharing, which addresses this issue, and implement robust file validation to prevent similar vulnerabilities in the future. You've got this! With these steps, you can secure your system and keep those pesky attackers at bay! ๐Ÿ›ก๏ธ

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.45361 ยท 98.8th percentile
Published
2019-11-13T22:38Z
EPSS history
Timeline
  • 13 NOV 22:38Z
    SibSoft Xfilesharing through 2.5.1 allows cgi-bin/up.cgi arbitrary file upload
    cvelistv5