CVE-2020-6972 Auth bypass in Notifier Web Server (NWS) Version 3.50 and earlier
Attackers can bypass authentication in Honeywell Notifier Web Server via capture-replay attacks, gaining unauthorized access to fire alarm systems.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-6972?
CVE-2020-6972 is a critical authentication bypass vulnerability in Honeywell Notifier Web Server (NWS) Version 3.50 and earlier, published on 24 Mar 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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 browser.
Weakness: CWE-294
Which versions are affected by CVE-2020-6972?
It affects 1 product.
Products include Honeywell Notifier Webserver.
How do I fix CVE-2020-6972?
No fix has been published for CVE-2020-6972 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2020-6972 being exploited?
There is no known exploitation of CVE-2020-6972 in the wild and no public exploit code.
Other vulnerabilities in Honeywell Notifier Web Server (NWS) Version 3.50 and earlier
Sources
Also known as GHSA-4pww-fgmg-2g7r.