CVE-2021-20093

A buffer over-read vulnerability exists in Wibu-Systems CodeMeter versions < 7.21a

published June 16, 2021

CVSS
โ€”
EPSS
33%
Percentile
98.4
In the wild
Unconfirmed
What it is

โš ๏ธ An unauthenticated remote attacker can peek into heap memory like a mischievous kid looking through a cookie jar! ๐Ÿช Think of this vulnerability like a restaurant with open kitchen doors โ€” anyone can sneak a glance inside and see all the secret recipes, or even worse, cause a chaotic food fight! With this buffer over-read vulnerability in Wibu-Systems CodeMeter versions earlier than 7.21a, an attacker could potentially disclose sensitive information from heap memory, putting users at risk. They might also crash the CodeMeter Runtime Server, disrupting services and causing headaches for your operations.

Put simply

Think of this vulnerability like a restaurant with open kitchen doors โ€” anyone can sneak a glance inside and see all the secret recipes, or even worse, cause a chaotic food fight! This vulnerability allows an unauthenticated remote attacker to exploit a buffer over-read, potentially leading to information disclosure or server crashes. The flaw exists in versions below 7.21a, leaving systems vulnerable to unauthorized access.

What to do

With this buffer over-read vulnerability in Wibu-Systems CodeMeter versions earlier than 7.21a, an attacker could potentially disclose sensitive information from heap memory, putting users at risk. They might also crash the CodeMeter Runtime Server, disrupting services and causing headaches for your operations. To protect against this vulnerability, update your Wibu-Systems CodeMeter to version 7.21a or later immediately. Additionally, ensure that you monitor and restrict access to your runtime server to trusted users only. You've got this! Stay proactive and secure your systems! ๐Ÿ›ก๏ธ

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.33304 ยท 98.4th percentile
Published
2021-06-16T11:09Z
EPSS history
Timeline
  • 16 JUN 11:09Z
    A buffer over-read vulnerability exists in Wibu-Systems CodeMeter versions < 7.21a
    cvelistv5