CVE-2020-6972
CRITICALCVSS 9.1/10EPSS 1.32%
Last modified
CVE-2020-6972 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. 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.. EPSS estimates a 1.32% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Honeywell | Notifier Webserver | <= 3.50 |
References
- https://www.us-cert.gov/ics/advisories/icsa-20-051-03Third Party Advisory, US Government Resource
- https://www.us-cert.gov/ics/advisories/icsa-20-051-03Third Party Advisory, US Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-6972?
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.
How severe is CVE-2020-6972?
CVE-2020-6972 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 1.32% probability of exploitation in the next 30 days.
How do I fix CVE-2020-6972?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-6972?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST