CVE-2018-7242

Vulnerable hash algorithms exists in Schneider Electric's Modicon Premium, Modicon Quantum, Modicon M340, and BMXNOR0200 controllers in all versions of the…

published April 18, 2018

CVSS
—
EPSS
2%
Percentile
79.3
In the wild
Unconfirmed
What it is

⚠️ A sneaky hash collision vulnerability lurks in Schneider Electric's Modicon controllers! This means that passwords could be cracked without too much effort! 🔥 Think of it as two different delivery packages with the same label — if someone receives the wrong one, they could open doors that they shouldn't have access to. It's like a mailroom that can't distinguish between legitimate and counterfeit deliveries! If an attacker exploits this vulnerability, they could potentially gain unauthorized access to the controller systems, allowing them to manipulate settings, disrupt operations, or even compromise sensitive data. This could lead to significant operational disruptions in critical environments!

Put simply

Think of it as two different delivery packages with the same label — if someone receives the wrong one, they could open doors that they shouldn't have access to. It's like a mailroom that can't distinguish between legitimate and counterfeit deliveries! The vulnerability stems from the use of weak hash algorithms in password encryption, making them susceptible to hash collision attacks. Essentially, attackers can craft inputs that produce the same hash value, thereby bypassing authentication mechanisms.

What to do

If an attacker exploits this vulnerability, they could potentially gain unauthorized access to the controller systems, allowing them to manipulate settings, disrupt operations, or even compromise sensitive data. This could lead to significant operational disruptions in critical environments! To mitigate this threat, Schneider Electric recommends patching your devices to the latest firmware version that addresses this issue. Additionally, ensure strong password policies are in place and consider using alternative, more secure authentication methods where possible. You've got this! By taking these steps, you can help solidify your defenses and keep your systems secure! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01884 · 79.3th percentile
Published
2018-04-18T20:00Z
EPSS history
Timeline
  • 18 APR 20:00Z
    Vulnerable hash algorithms exists in Schneider Electric's Modicon Premium, Modicon Quantum, Modicon M340, and BMXNOR0200 controllers in all versions of the…
    cvelistv5