CVE-2025-22927

An issue in OS4ED openSIS v8.0 through v9.1 allows attackers to execute a directory traversal by sending a crafted POST request to…

Critical · published April 3, 2025

CVSS v3.1
9.1
EPSS
1%
Percentile
55.6
In the wild
Unconfirmed
What it is

🚨 A crafty POST request is all it takes to exploit this vulnerability! An attacker can perform a directory traversal in OS4ED openSIS versions 8.0 through 9.1 — how sneaky is that? 🔥 Think of it as a waiter who accepts an order without checking if the customer is really at the table — this flaw allows attackers to access files far outside the intended menu! This means an attacker could potentially read sensitive files from the server, exposing critical information like user data or configuration files. The implications could be absolutely devastating—imagine unauthorized access to student records or system settings!

Put simply

Think of it as a waiter who accepts an order without checking if the customer is really at the table — this flaw allows attackers to access files far outside the intended menu! The vulnerability arises from insufficient validation of user input in the '/Modules.php' endpoint, allowing directory traversal through crafted requests, which lets attackers access files outside the intended directory.

What to do

This means an attacker could potentially read sensitive files from the server, exposing critical information like user data or configuration files. The implications could be absolutely devastating—imagine unauthorized access to student records or system settings! Update OS4ED openSIS to version 9.2 or later to close this vulnerability. Additionally, implement proper input validation and restrict access to sensitive directories to bolster security. It's essential to regularly audit your configuration! You've got this! Take these steps, and you'll secure your system in no time! 🛡️

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00784 · 55.6th percentile
Published
2025-04-03T00:00Z
EPSS history
Timeline
  • 03 APR 00:00Z
    An issue in OS4ED openSIS v8.0 through v9.1 allows attackers to execute a directory traversal by sending a crafted POST request to…
    cvelistv5