CVE-2021-21479

In SCIMono before 0.0.19, it is possible for an attacker to inject and execute java expression compromising the availability and integrity of the system

High · published February 9, 2021

CVSS v3.0
8.1
EPSS
10%
Percentile
95.6
In the wild
Unconfirmed
What it is

⚡ A crafty Java expression injection is hiding in SCIMono before version 0.0.19! An attacker could use it to disrupt your system's integrity and availability. 🔥 Think of it like a restaurant where anyone can slip a secret ingredient into the food without the chef knowing — suddenly, the dish is not just unappetizing; it might make someone sick! This vulnerability allows an attacker to inject malicious Java code, potentially causing system outages or corrupting critical data. Imagine the chaos if an intruder could alter the foundation of your application without anyone noticing — the consequences could be absolutely devastating!

Put simply

Think of it like a restaurant where anyone can slip a secret ingredient into the food without the chef knowing — suddenly, the dish is not just unappetizing; it might make someone sick! This flaw in SCIMono permits unauthorized Java expression injections, enabling attackers to execute arbitrary code, which compromises the system's reliability and security.

What to do

This vulnerability allows an attacker to inject malicious Java code, potentially causing system outages or corrupting critical data. Imagine the chaos if an intruder could alter the foundation of your application without anyone noticing — the consequences could be absolutely devastating! To shield your systems, update SCIMono to version 0.0.19 or later immediately. Additionally, review your codebase for other potential injection points and implement strict input validation. You've got this! Stay proactive, and your systems will be safer in no time! 🛡️

The record
Technical detail
CVSS v3.0
8.1 · HIGH
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.10116 · 95.6th percentile
Published
2021-02-09T20:49Z
EPSS history
Timeline
  • 09 FEB 20:49Z
    In SCIMono before 0.0.19, it is possible for an attacker to inject and execute java expression compromising the availability and integrity of the system
    cvelistv5