CVE-2025-22926

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
9.8
EPSS
1%
Percentile
59.8
In the wild
Unconfirmed
What it is

🚨 A crafted POST request is all it takes for attackers to get into sensitive directories with OS4ED openSIS v8.0 to v9.1! 🔥 Think of it as a sneaky delivery driver who finds a way to access the back rooms of a restaurant by cleverly manipulating the service entrance. With this exploit, they can reach files they shouldn’t even know exist! An attacker could exploit this vulnerability to access confidential information or modify critical files, potentially leading to data leaks or system tampering. This isn’t just a minor issue; it could compromise the integrity of the entire system!

Put simply

Think of it as a sneaky delivery driver who finds a way to access the back rooms of a restaurant by cleverly manipulating the service entrance. With this exploit, they can reach files they shouldn’t even know exist! This directory traversal vulnerability allows attackers to manipulate the 'filename' parameter in a POST request to access files and directories outside the intended directory structure.

What to do

An attacker could exploit this vulnerability to access confidential information or modify critical files, potentially leading to data leaks or system tampering. This isn’t just a minor issue; it could compromise the integrity of the entire system! Immediately patch to the latest version (9.2 or later) to close this critical vulnerability. Review your application logs for any suspicious activity and consider implementing web application firewalls to help mitigate future risks. You’ve got this! With prompt action, you can safeguard your system and maintain your security hero status! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00916 · 59.8th 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