CVE-2021-23859CWE-703

Denial of Service and Authentication Bypass Vulnerability in multiple Bosch products

Critical · published December 8, 2021

CVSS v3.1
9.1
EPSS
1%
Percentile
62.6
In the wild
Unconfirmed
What it is

🔥 An unauthenticated HTTP request is all it takes to crash the service, leaving doors wide open for further attacks! Think of it like a restaurant where a disgruntled customer sends a fake order that causes the entire kitchen to close down – chaos ensues, and other customers can sneak in unnoticed! In the worst-case scenario, an attacker could crash the service and then send unauthorized commands, wreaking havoc on your system. This could lead to disruptions, data loss, or unauthorized access to sensitive controls, making it a critical threat to your operations.

Put simply

Think of it like a restaurant where a disgruntled customer sends a fake order that causes the entire kitchen to close down – chaos ensues, and other customers can sneak in unnoticed! CVE-2021-23859 is a vulnerability that allows an unauthenticated attacker to exploit a flaw in the HTTP request handling of the service. This exploit can cause the service to crash and, in some instances, allow further unauthorized commands to be executed.

What to do

In the worst-case scenario, an attacker could crash the service and then send unauthorized commands, wreaking havoc on your system. This could lead to disruptions, data loss, or unauthorized access to sensitive controls, making it a critical threat to your operations. To protect yourself, ensure that your systems are updated to the latest version per Bosch's advisory. Implement monitoring tools to detect unusual traffic patterns and restrict network access to the service where possible. You've got this! With a few focused steps, you'll have your defenses up in no time. 🛡️

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01004 · 62.6th percentile
Weakness
CWE-703 · Improper Check or Handling of Exceptional Conditions
Published
2021-12-08T21:17Z
EPSS history
Timeline
  • 08 DEC 21:17Z
    Denial of Service and Authentication Bypass Vulnerability in multiple Bosch products
    cvelistv5