CVE-2011-4973

Authentication bypass vulnerability in mod_nss 1.0.8 allows remote attackers to assume the identity of a valid user by using their certificate and entering…

published February 15, 2018

CVSS
—
EPSS
1%
Percentile
62.2
In the wild
Unconfirmed
What it is

🚨 A simple password of 'password' can unlock the door to your users' identities! This authentication bypass in mod_nss 1.0.8 is a sneaky way for attackers to impersonate valid users without breaking a sweat. 😱 Think of it as a hotel where anyone can check into a room just by saying they’re a guest—no ID, no verification, just the word 'password' gets them in! It’s an open invitation for trouble. If exploited, attackers could walk right in and assume the identities of legitimate users, leading to unauthorized access to sensitive information and actions. This could be absolutely devastating for user privacy and security, potentially causing financial losses and reputational damage.

Put simply

Think of it as a hotel where anyone can check into a room just by saying they’re a guest—no ID, no verification, just the word 'password' gets them in! It’s an open invitation for trouble. This vulnerability allows remote attackers to bypass authentication by using a valid user's certificate paired with the universally weak password 'password'. Essentially, the system accepts this combination without proper checks, granting access to attackers.

What to do

If exploited, attackers could walk right in and assume the identities of legitimate users, leading to unauthorized access to sensitive information and actions. This could be absolutely devastating for user privacy and security, potentially causing financial losses and reputational damage. To remediate, immediately update mod_nss to the latest version beyond 1.0.8 and ensure strong passwords are enforced across the board. Regularly audit your authentication methods to prevent such vulnerabilities from slipping in again. You've got this! Follow these steps, and you'll keep your users safe and sound! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00999 · 62.2th percentile
Published
2018-02-15T21:00Z
EPSS history
Timeline
  • 15 FEB 21:00Z
    Authentication bypass vulnerability in mod_nss 1.0.8 allows remote attackers to assume the identity of a valid user by using their certificate and entering…
    cvelistv5