CVE-2020-27868CWE-502

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Qognify Ocularis 5.9.0.395

Critical · published February 11, 2021

Patch now

High probability of exploitation

CVSS calls it critical at 9.8. It sits in the 99.6th percentile for exploit probability.

CVSS v3.0
9.8
EPSS
82%
Percentile
99.6
In the wild
Unconfirmed
What it is

🚨 A single unvalidated input could allow attackers to execute arbitrary code on your Qognify Ocularis installation — no authentication required! 🔥 Imagine a restaurant where anyone can walk in and change the recipe of your signature dish just by submitting a new order — that’s how this vulnerability operates, letting attackers slip in untrusted data without any checks. If exploited, an attacker could gain SYSTEM-level access, potentially altering or destroying your data, or even taking full control of the environment. This could lead to catastrophic data breaches and operational disruptions. The consequences are absolutely devastating!

Put simply

Imagine a restaurant where anyone can walk in and change the recipe of your signature dish just by submitting a new order — that’s how this vulnerability operates, letting attackers slip in untrusted data without any checks. This vulnerability stems from insufficient validation of serialized objects sent to the EventCoordinator endpoint, allowing attackers to execute malicious code during deserialization without authentication.

What to do

If exploited, an attacker could gain SYSTEM-level access, potentially altering or destroying your data, or even taking full control of the environment. This could lead to catastrophic data breaches and operational disruptions. The consequences are absolutely devastating! Immediately patch your Qognify Ocularis to version 5.9.0.396 or later to mitigate this vulnerability. Additionally, review your application’s handling of user-supplied data and implement proper validation to prevent similar issues. You’ve got this! Follow these steps, secure your system, and become a security hero today! 🛡️

The record
Technical detail
CVSS v3.0
9.8 · CRITICAL
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.81753 · 99.6th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2021-02-11T23:35Z
EPSS history
Timeline
  • 11 FEB 23:35Z
    This vulnerability allows remote attackers to execute arbitrary code on affected installations of Qognify Ocularis 5.9.0.395
    cvelistv5