CVE-2021-36779CWE-306

Host operations allowed in privileged Longhorn managed pods

Critical · published December 17, 2021

CVSS v3.1
9.6
EPSS
1%
Percentile
52.1
In the wild
Unconfirmed
What it is

🚨 Any workload in the cluster can execute binaries without a hitch — this Missing Authentication for Critical Function vulnerability in SUSE Longhorn is a game-changer for attackers! 🔥 Think of it like a restaurant where anyone can walk into the kitchen and start cooking whatever they want without a chef's supervision. This opens the door to chaos, and potentially dangerous dishes being served! An attacker could gain full control over your system, executing any command they want, which could lead to data breaches, service disruption, or worse. The implications are absolutely devastating — your entire cluster could be compromised, leaving sensitive data vulnerable to exposure.

Put simply

Think of it like a restaurant where anyone can walk into the kitchen and start cooking whatever they want without a chef's supervision. This opens the door to chaos, and potentially dangerous dishes being served! This vulnerability allows any workload in the SUSE Longhorn cluster to execute binaries without any authentication checks, making it trivial for malicious actors to run harmful code on the host.

What to do

An attacker could gain full control over your system, executing any command they want, which could lead to data breaches, service disruption, or worse. The implications are absolutely devastating — your entire cluster could be compromised, leaving sensitive data vulnerable to exposure. Immediate action is required: upgrade to Longhorn versions 1.1.3 or 1.2.3 to eliminate this critical gap. Additionally, review your cluster configurations to ensure that only authorized workloads can access sensitive functions. You’ve got this! Follow these steps, and you'll not only patch the vulnerability but also bolster your cluster’s defenses. 🛡️

The record
Technical detail
CVSS v3.1
9.6 · CRITICAL
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00686 · 52.1th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2021-12-17T08:55Z
EPSS history
Timeline
  • 17 DEC 08:55Z
    Host operations allowed in privileged Longhorn managed pods
    cvelistv5