CVE-2025-25256CWE-78command-injection

CVE-2025-25256

Critical · published August 12, 2025

Patch now

High probability of exploitation

CVSS calls it critical at 9.8. It sits in the 99.3th percentile for exploit probability.

CVSS v3.1
9.8
EPSS
65%
Percentile
99.3
In the wild
Unconfirmed
What it is

🚨 An unauthenticated attacker can execute commands on your FortiSIEM just by sending a crafted CLI request! 🔥 Think of it like a sneaky delivery person who knows just the right words to convince the front desk to hand over the keys to the server room — once in, they can do anything they want! This vulnerability allows anyone to run arbitrary code, potentially leading to full system compromise. Imagine an intruder not only gaining access but also having the ability to manipulate data, spy on activity, or even take control of critical infrastructure!

Put simply

Think of it like a sneaky delivery person who knows just the right words to convince the front desk to hand over the keys to the server room — once in, they can do anything they want! The OS Command Injection flaw in Fortinet FortiSIEM lets an attacker bypass authentication and execute unauthorized commands through specially crafted command-line interface requests.

What to do

This vulnerability allows anyone to run arbitrary code, potentially leading to full system compromise. Imagine an intruder not only gaining access but also having the ability to manipulate data, spy on activity, or even take control of critical infrastructure! Immediate patching is crucial! Upgrade your FortiSIEM to version 7.3.2 or higher, and ensure your system configurations do not allow arbitrary command execution. Regularly review your security settings and logs for any suspicious activity! You've got this! Follow these steps to secure your system and keep those attackers at bay! 🛡️

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
0.65297 · 99.3th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2025-08-12T23:15Z
Affected products (5)
ProductVersionsFixed in
fortinet/fortisiem≥ 5.4.0, < 6.7.106.7.10
fortinet/fortisiem≥ 7.0.0, < 7.0.47.0.4
fortinet/fortisiem≥ 7.1.0, < 7.1.87.1.8
fortinet/fortisiem≥ 7.2.0, < 7.2.67.2.6
fortinet/fortisiem≥ 7.3.0, < 7.3.27.3.2
References (4)
EPSS history
Timeline
  • 12 AUG 18:59Z
    An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] in Fortinet FortiSIEM version 7.3.0…
    cvelistv5