CVE-2022-26500KEV · OVERDUE

Veeam Backup & Replication Remote Code Execution Vulnerability

High · published March 17, 2022

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 8.8. It is confirmed in active exploitation. It sits in the 93.1th percentile for exploit probability.

1390
days past CISA
deadline
CVSS v3.1
8.8
EPSS
6%
Percentile
93.1
In the wild
Confirmed
What it is

⚡ Improper path name limitations in Veeam Backup & Replication could turn your server into a playground for attackers! 🚀 Think of this like a restaurant with a back door that anyone with a menu can enter—no password needed! If they make it past the host, they can cook up whatever they like in the kitchen. An attacker, armed with just a valid user account, could upload and execute malicious code on your servers. This could lead to data breaches, service disruption, or even complete system takeover—absolutely devastating for any organization!

Put simply

Think of this like a restaurant with a back door that anyone with a menu can enter—no password needed! If they make it past the host, they can cook up whatever they like in the kitchen. This vulnerability allows remote authenticated users to bypass restrictions and access internal API functions, enabling arbitrary code execution on the system. Essentially, they can upload their own scripts and run them, creating havoc.

What to do

An attacker, armed with just a valid user account, could upload and execute malicious code on your servers. This could lead to data breaches, service disruption, or even complete system takeover—absolutely devastating for any organization! Immediately update to Veeam Backup & Replication version 11.0 or later, which addresses this vulnerability. Also, review user permissions to ensure that only trusted users have access to sensitive API functions. Regularly audit your systems for any unauthorized changes! You've got this! By following these steps, you can lock down your systems and keep your environment safe! 🛡️

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.05828 · 93.1th percentile
Published
2022-03-17T20:56Z
KEV added
2022-12-13 · due 2023-01-03
EPSS history
Timeline
  • 13 DEC 00:00Z
    Added to CISA KEV — remediate by Jan 3
    kev
  • 17 MAR 20:56Z
    Improper limitation of path names in Veeam Backup & Replication 9.5U3, 9.5U4,10.x, and 11.x allows remote authenticated users access to internal API functions…
    cvelistv5