CVE-2021-42777

Stimulsoft (aka Stimulsoft Reports) 2013.1.1600.0, when Compilation Mode is used, allows an attacker to execute arbitrary C# code on any machine that renders a…

Critical · published October 29, 2022

CVSS v3.1
9.8
EPSS
1%
Percentile
63.7
In the wild
Unconfirmed
What it is

🚨 A sneaky flaw in Stimulsoft Reports can let attackers run arbitrary C# code just by rendering a report. Imagine the chaos! 🔥 Think of it as a diner who orders a meal but instead receives a secret menu that allows them to cook anything they want in the kitchen — chaos ensured! This vulnerability could allow an attacker to execute harmful code on the application server or even a user's local machine, leading to a catastrophic breach of data and system integrity. Full control of the environment is a recipe for disaster!

Put simply

Think of it as a diner who orders a meal but instead receives a secret menu that allows them to cook anything they want in the kitchen — chaos ensured! When Compilation Mode is enabled, this vulnerability permits the execution of arbitrary C# code during report rendering, using methods like System.Diagnostics.Process.Start, creating a major security risk.

What to do

This vulnerability could allow an attacker to execute harmful code on the application server or even a user's local machine, leading to a catastrophic breach of data and system integrity. Full control of the environment is a recipe for disaster! Update Stimulsoft Reports to a secure version immediately, ensuring Compilation Mode is disabled if it's not needed. Regularly audit your report generation processes to spot potential misuse. 🛡️ You've got this! Fixing this issue will strengthen your defenses and keep your environment safe from chaos! 😊

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
0.01037 · 63.7th percentile
Published
2022-10-29T00:00Z
EPSS history
Timeline
  • 29 OCT 00:00Z
    Stimulsoft (aka Stimulsoft Reports) 2013.1.1600.0, when Compilation Mode is used, allows an attacker to execute arbitrary C# code on any machine that renders a…
    cvelistv5