CVE-2019-12549

WAGO 852-303 before FW06, 852-1305 before FW06, and 852-1505 before FW03 devices contain hardcoded private keys for the SSH daemon

published June 17, 2019

CVSS
—
EPSS
3%
Percentile
88.3
In the wild
Unconfirmed
What it is

⚠️ A hardcoded SSH private key? That's like finding the spare key under the doormat — super risky! Think of it as a restaurant keeping the master key to the safe under the counter, accessible to anyone who strolls in. If someone finds that key, they can access sensitive ingredients, recipes, and secret sauces without any checks! An attacker could exploit this hardcoded private key to gain unauthorized access to the device, allowing them to manipulate settings or intercept communications. This could lead to critical vulnerabilities, especially in industrial environments where these devices play crucial roles. Imagine an intruder cooking up chaos in a kitchen where the chef thought everything was secure!

Put simply

Think of it as a restaurant keeping the master key to the safe under the counter, accessible to anyone who strolls in. If someone finds that key, they can access sensitive ingredients, recipes, and secret sauces without any checks! CVE-2019-12549 affects WAGO 852-303, 852-1305, and 852-1505 devices, which contain hardcoded private keys for their SSH daemon, allowing attackers to authenticate without proper authorization.

What to do

An attacker could exploit this hardcoded private key to gain unauthorized access to the device, allowing them to manipulate settings or intercept communications. This could lead to critical vulnerabilities, especially in industrial environments where these devices play crucial roles. Imagine an intruder cooking up chaos in a kitchen where the chef thought everything was secure! To mitigate this risk, update the firmware to version FW06 for the 852-303 and 852-1305 devices, and to FW03 for the 852-1505. Additionally, consider changing the SSH settings to eliminate reliance on hardcoded keys. 🛡️ You've got this! Keep your systems updated and secure, and you’ll be a security hero in no time! 🚀

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03261 · 88.3th percentile
Published
2019-06-17T16:33Z
EPSS history
Timeline
  • 17 JUN 16:33Z
    WAGO 852-303 before FW06, 852-1305 before FW06, and 852-1505 before FW03 devices contain hardcoded private keys for the SSH daemon
    cvelistv5