CVE-2020-24683CWE-305CWE-602

Authentication Bypass in Symphony Plus

Critical · published December 22, 2020

CVSS v3.1
9.8
EPSS
1%
Percentile
73.7
In the wild
Unconfirmed
What it is

🔥 Client-side authentication might sound convenient, but it leaves doors wide open! With S+ Operations up to version 2.1 SP1, attackers can skip right past security checks and connect to your server with ease. ⚡ Think of it like a concert venue that allows fans to enter just by waving their tickets at the gate — no ID check, no verification. If someone sneaks in a fake ticket, they’re in! This vulnerability could allow unauthorized users to bypass authentication entirely, resulting in complete access to your server application. It’s like handing over the keys to your kingdom! Imagine the data breaches and potential damage - absolutely devastating!

Put simply

Think of it like a concert venue that allows fans to enter just by waving their tickets at the gate — no ID check, no verification. If someone sneaks in a fake ticket, they’re in! CVE-2020-24683 stems from the reliance on client-side authentication, meaning that the server does not verify the legitimacy of the client application before allowing access. This creates a dangerous gap that attackers can exploit if communications aren't properly secured.

What to do

This vulnerability could allow unauthorized users to bypass authentication entirely, resulting in complete access to your server application. It’s like handing over the keys to your kingdom! Imagine the data breaches and potential damage - absolutely devastating! To secure your systems, immediately upgrade to a patched version of S+ Operations beyond 2.1 SP1. Additionally, ensure that all network communications are encrypted and implement server-side authentication checks to safeguard connections. Act fast! You've got this! By taking these steps, you're on your way to locking down your server and bolstering your security! 🛡️

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
0.01479 · 73.7th percentile
Weaknesses
CWE-305 · Authentication Bypass by Primary Weakness; CWE-602 · Client-Side Enforcement of Server-Side Security
Published
2020-12-22T21:19Z
EPSS history
Timeline
  • 22 DEC 21:19Z
    Authentication Bypass in Symphony Plus
    cvelistv5