CVE-2023-28461KEV · OVERDUECWE-287CWE-306

Array Networks AG and vxAG ArrayOS Missing Authentication for Critical Function Vulnerability

Critical · published March 16, 2023

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 99.3th percentile for exploit probability.

677
days past CISA
deadline
CVSS v3.1
9.8
EPSS
68%
Percentile
99.3
In the wild
Confirmed
What it is

🚨 Remote code execution is a reality here! An attacker can browse the filesystem of Array Networks AG Series and vxAG without any authentication, just by using a sneaky HTTP header. 🔥 Think of it like a delivery driver who can simply pull up to the loading dock at a secured building and peek inside without having to show ID. It's unsettling, right? That’s what’s happening with this vulnerability! An attacker could gain access to sensitive information, manipulate the system, and execute arbitrary code — effectively taking control of your VPN gateway. This could lead to a complete compromise of your network, resulting in devastating data breaches and system downtime. We’re talking about an absolute nightmare for security teams!

Put simply

Think of it like a delivery driver who can simply pull up to the loading dock at a secured building and peek inside without having to show ID. It's unsettling, right? That’s what’s happening with this vulnerability! The vulnerability in versions 9.4.0.481 and earlier allows for remote code execution through a flags attribute in an HTTP header. The system trusts this attribute without requiring authentication, making it a prime target for exploitation via crafted URLs.

What to do

An attacker could gain access to sensitive information, manipulate the system, and execute arbitrary code — effectively taking control of your VPN gateway. This could lead to a complete compromise of your network, resulting in devastating data breaches and system downtime. We’re talking about an absolute nightmare for security teams! Immediate action is essential! Upgrade to the latest version of Array AG, following the vendor's advisory for the patch. Additionally, consider implementing strict input validation and monitoring to catch any suspicious activity while you work on the upgrade. You've got this! With a quick patch and some proactive measures, you can secure your systems and keep those cyber villains at bay! 🛡️

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
0.68079 · 99.3th percentile
Weaknesses
CWE-287 · Improper Authentication; CWE-306 · Missing Authentication for Critical Function
Published
2023-03-16T03:15Z
KEV added
2024-11-25 · due 2024-12-16
Affected products (1)
ProductVersionsFixed in
arraynetworks/arrayos_ag≤ 9.4.0.481—
References (3)
EPSS history
Timeline
  • 25 NOV 00:00Z
    Added to CISA KEV — remediate by Dec 16
    kev
  • 15 MAR 00:00Z
    Array Networks Array AG Series and vxAG (9.4.0.481 and earlier) allow remote code execution
    cvelistv5