CVE-2023-0750CWE-602

Yellowbrik PEC-1864 authentication bypass

Critical · published April 6, 2023

CVSS v3.1
9.8
EPSS
0%
Percentile
38.1
In the wild
Unconfirmed
What it is

🚨 An unprotected authentication mechanism in the Yellobrik PEC-1864 makes it alarmingly easy for attackers to waltz in and take control. 🔥 Think of it like a hotel front desk that only checks guest IDs on the way in, leaving the back door wide open for anyone to change reservations or even lock out guests. It’s a recipe for chaos! An attacker could easily change passwords, effectively locking legitimate users out — that’s a denial of service (DoS) waiting to happen! Even worse, they could manipulate the streaming source or destination, compromising both the integrity and confidentiality of the stream, which is absolutely devastating for any operation relying on that data.

Put simply

Think of it like a hotel front desk that only checks guest IDs on the way in, leaving the back door wide open for anyone to change reservations or even lock out guests. It’s a recipe for chaos! This vulnerability allows attackers to bypass authentication checks that are improperly enforced through JavaScript on the frontend, exposing the device to unauthorized access over the network.

What to do

An attacker could easily change passwords, effectively locking legitimate users out — that’s a denial of service (DoS) waiting to happen! Even worse, they could manipulate the streaming source or destination, compromising both the integrity and confidentiality of the stream, which is absolutely devastating for any operation relying on that data. Since the manufacturer has discontinued this model and no patch is available, it's crucial to isolate the device from the network to prevent unauthorized access. Consider replacing it with a supported model to ensure robust security going forward! You've got this! By taking these steps, you can secure your environment and protect your valuable streaming data. 🛡️

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
0.00450 · 38.1th percentile
Weakness
CWE-602 · Client-Side Enforcement of Server-Side Security
Published
2023-04-06T13:12Z
EPSS history
Timeline
  • 06 APR 13:12Z
    Yellowbrik PEC-1864 authentication bypass
    cvelistv5