CVE-2024-40711KEV · OVERDUE

Veeam Backup and Replication Deserialization Vulnerability

Critical · published September 7, 2024

Patch now

Confirmed exploited, and the score agrees

CVSS calls it critical at 9.8. It is confirmed in active exploitation. It sits in the 99.8th percentile for exploit probability.

716
days past CISA
deadline
CVSS v3.0
9.8
EPSS
90%
Percentile
99.8
In the wild
Confirmed
What it is

🚨 A malicious payload in untrusted data is like a Trojan horse waiting to unleash chaos! With this deserialization vulnerability, attackers can run arbitrary code without even needing a password. 🔥 Think of it as inviting a guest into your home with a hidden agenda. You might let them in thinking they're harmless, but instead, they bring in a hidden device that can control everything — that’s how this vulnerability operates, letting attackers execute commands from afar! If exploited, this vulnerability could allow attackers to take complete control of your system, potentially leading to data breaches, unauthorized access to sensitive information, or even a total system takeover. Imagine someone walking right into your digital fortress and doing whatever they please — devastating!

Put simply

Think of it as inviting a guest into your home with a hidden agenda. You might let them in thinking they're harmless, but instead, they bring in a hidden device that can control everything — that’s how this vulnerability operates, letting attackers execute commands from afar! This vulnerability arises from the unsafe deserialization of untrusted data, allowing an attacker to execute arbitrary code remotely. Essentially, it allows an unauthenticated user to exploit the system by sending crafted data that the application unwittingly executes.

What to do

If exploited, this vulnerability could allow attackers to take complete control of your system, potentially leading to data breaches, unauthorized access to sensitive information, or even a total system takeover. Imagine someone walking right into your digital fortress and doing whatever they please — devastating! Immediately apply the available patch to your system to eliminate this vulnerability. Review your deserialization processes, ensuring only trusted data is accepted, and consider implementing input validation and sanitization practices. Don't delay; act now to safeguard your systems! You’ve got this! With a little effort, you can lock down your system and keep those crazy trojan-wielding guests out! 🛡️

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
0.90369 · 99.8th percentile
Published
2024-09-07T16:11Z
KEV added
2024-10-17 · due 2024-11-07
EPSS history
Timeline
  • 17 OCT 00:00Z
    Added to CISA KEV — remediate by Nov 7
    kev
  • 07 SEP 16:11Z
    A deserialization of untrusted data vulnerability with a malicious payload can allow an unauthenticated remote code execution (RCE)
    cvelistv5