CVE-2020-6972CWE-294

In Notifier Web Server (NWS) Version 3.50 and earlier, the Honeywell Fire Web Server’s authentication may be bypassed by a capture-replay attack from a web…

published March 24, 2020

CVSS
—
EPSS
1%
Percentile
70.5
In the wild
Unconfirmed
What it is

⚠️ A savvy attacker can potentially waltz right past the Notifier Web Server’s security! The authentication bypass in versions 3.50 and earlier makes this vulnerability a bit too easy to exploit. 🔥 Think of the Notifier Web Server as a secure vault, but someone has discovered they can just replay an old access code to slip in unnoticed — a little like using last month's pizza order to breeze through the restaurant's door without paying! If an attacker successfully pulls off a capture-replay attack, they could gain unauthorized access to sensitive data or control critical fire safety systems. This could lead to absolutely devastating consequences, especially in emergencies where safety is paramount!

Put simply

Think of the Notifier Web Server as a secure vault, but someone has discovered they can just replay an old access code to slip in unnoticed — a little like using last month's pizza order to breeze through the restaurant's door without paying! This vulnerability arises from the Web Server's inadequate verification of authentication tokens, allowing an attacker to replay captured credentials, bypassing normal login procedures.

What to do

If an attacker successfully pulls off a capture-replay attack, they could gain unauthorized access to sensitive data or control critical fire safety systems. This could lead to absolutely devastating consequences, especially in emergencies where safety is paramount! To safeguard against this vulnerability, update to Notifier Web Server version 3.51 or later. Additionally, ensure you implement proper token handling and validation mechanisms to prevent replay attacks. You've got this! By taking these steps, you can bolster your security and keep everything safe! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01325 · 70.5th percentile
Weakness
CWE-294 · Authentication Bypass by Capture-replay
Published
2020-03-24T16:38Z
EPSS history
Timeline
  • 24 MAR 16:38Z
    In Notifier Web Server (NWS) Version 3.50 and earlier, the Honeywell Fire Web Server’s authentication may be bypassed by a capture-replay attack from a web…
    cvelistv5