CVE-2021-38412CWE-287

Digi PortServer TS 16 Improper Authentication

Critical · published September 17, 2021

CVSS v3.1
9.6
EPSS
1%
Percentile
71.1
In the wild
Unconfirmed
What it is

🚨 A crafty POST request is all it takes! The Digi PortServer TS 16 Rack device allows attackers to bypass authentication entirely, like a restaurant letting in diners without checking reservations. 🔥 Imagine walking into a restaurant without a reservation, only to find they have a secret menu that allows you to change orders and even shift the chef's focus. That’s exactly what this vulnerability does by letting attackers enable the SNMP service without a single verification step! An attacker could gain full control of the device, enable critical services, and manipulate community strings, potentially leading to a complete system takeover. This is absolutely devastating for any network, as attackers could adjust settings and access sensitive data with ease!

Put simply

Imagine walking into a restaurant without a reservation, only to find they have a secret menu that allows you to change orders and even shift the chef's focus. That’s exactly what this vulnerability does by letting attackers enable the SNMP service without a single verification step! This vulnerability in the Digi PortServer TS 16 Rack allows properly formatted POST requests to multiple server resources without requiring authentication, making it possible for unauthorized users to enable SNMP services.

What to do

An attacker could gain full control of the device, enable critical services, and manipulate community strings, potentially leading to a complete system takeover. This is absolutely devastating for any network, as attackers could adjust settings and access sensitive data with ease! Patch the device firmware immediately to the latest version provided by Digi. Review and tighten access controls to prevent unauthorized POST requests, and consider disabling the SNMP service if it's not in use. 🛡️ You've got this! By taking immediate action, you can secure your devices and maintain your hero status in the security realm! 💪✨

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:L
CVSS v4.0
Not supplied
EPSS
0.01342 · 71.1th percentile
Weakness
CWE-287 · Improper Authentication
Published
2021-09-17T19:07Z
EPSS history
Timeline
  • 17 SEP 19:07Z
    Digi PortServer TS 16 Improper Authentication
    cvelistv5