CVE-2023-32015CWE-20

Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability

Critical · published June 13, 2023

CVSS v3.1
9.8
EPSS
2%
Percentile
80.9
In the wild
Unconfirmed
What it is

🚨 A single malicious multicast message can unleash chaos! This critical Windows vulnerability allows remote code execution without any user interaction — a recipe for disaster! 🔥 Think of it like a poorly managed postal service that delivers sensitive packages to the wrong addresses, throwing confidential documents around without checking who’s supposed to receive them. That’s how this vulnerability lets attackers send malicious instructions directly to your system. An attacker could exploit this vulnerability to run arbitrary code on the affected system, potentially gaining complete control. This means they could access sensitive data, install malware, or even disrupt system operations entirely — talk about an absolute nightmare!

Put simply

Think of it like a poorly managed postal service that delivers sensitive packages to the wrong addresses, throwing confidential documents around without checking who’s supposed to receive them. That’s how this vulnerability lets attackers send malicious instructions directly to your system. This vulnerability in the Windows Pragmatic General Multicast (PGM) allows for remote code execution by sending crafted multicast messages, which the system processes without adequate validation.

What to do

An attacker could exploit this vulnerability to run arbitrary code on the affected system, potentially gaining complete control. This means they could access sensitive data, install malware, or even disrupt system operations entirely — talk about an absolute nightmare! To protect against this threat, ensure your system is updated to the latest security patches. If you haven't already, disable the PGM feature if it's not needed, and regularly monitor your system's security settings to ensure no suspicious multicast traffic is allowed. You've got this! Stay vigilant and secure your systems with these steps! 🛡️

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/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.02038 · 80.9th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2023-06-13T23:26Z
EPSS history
Timeline
  • 13 JUN 23:26Z
    Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability
    cvelistv5