CVE-2020-5847KEV · OVERDUE

Unraid Remote Code Execution Vulnerability

Critical · published March 16, 2020

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 99.9th percentile for exploit probability.

1635
days past CISA
deadline
CVSS v3.1
9.8
EPSS
96%
Percentile
99.9
In the wild
Confirmed
What it is

🚨 A single remote command could unleash chaos! Unraid versions up to 6.8.0 are vulnerable to Remote Code Execution, making them a playground for attackers. 🔥 Think of it like a hotel where anyone with the right room number can walk straight into any guest's suite without a keycard. This vulnerability lets attackers run any code they want, just like an uninvited guest rummaging through your belongings! With this flaw, attackers can execute arbitrary commands on your Unraid server, potentially leading to data theft, loss of control, or even full system compromise. It’s absolutely devastating to think that a crafty intruder could hijack your entire system like a thief in the night!

Put simply

Think of it like a hotel where anyone with the right room number can walk straight into any guest's suite without a keycard. This vulnerability lets attackers run any code they want, just like an uninvited guest rummaging through your belongings! CVE-2020-5847 allows attackers to exploit Unraid by sending specially crafted requests that the server unwittingly executes, leading to remote control over the affected instance.

What to do

With this flaw, attackers can execute arbitrary commands on your Unraid server, potentially leading to data theft, loss of control, or even full system compromise. It’s absolutely devastating to think that a crafty intruder could hijack your entire system like a thief in the night! Immediate action is essential! Upgrade your Unraid to the latest version (6.9.0 or higher) to close this critical vulnerability. Additionally, reviewing firewall rules and restricting access to your Unraid instance will bolster your defenses! You've got this! Patch up, and your server will be locked down in no time! 🛡️

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
0.95844 · 99.9th percentile
Published
2020-03-16T17:23Z
KEV added
2021-11-03 · due 2022-05-03
EPSS history
Timeline
  • 03 NOV 00:00Z
    Added to CISA KEV — remediate by May 3
    kev
  • 16 MAR 17:23Z
    Unraid through 6.8.0 allows Remote Code Execution
    cvelistv5