CVE-2020-6972
No exploitation reported by the sources we read.
- Published2020-03-24
- WeaknessCWE-294
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « affected ».With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.
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.
Timeline
dates in UTC- 2020-03-2417:15CVE publishedNVD
Observed activity
isMalicious corpus · updated 2026-10-23 21:37 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-6972?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-6972?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
NVD| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 3.50 | ≤ 3.50 | no fix published | NVD |
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Distribution builds and vendor advisories
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Vendor advisories
Honeywell NOTI-FIRE-NET Web Server (NWS-3)
NOTI-FIRE-NET Web Server (NWS-3): Version 3.50 and earlier
Fix
- Mitigation from the vendor CISA ICSA-20-051-03 · 1 productHoneywell has released a firmware update package (login required) for all affected products listed above.
- Mitigation from the vendor CISA ICSA-20-051-03 · 1 productFor additional details please see Honeywell Security Notification SN 2020-02-04 01
- Mitigation from the vendor CISA ICSA-20-051-03 · 1 productUpdate NWS-3 firmware per the security notification.
- Mitigation from the vendor CISA ICSA-20-051-03 · 1 productIsolate system from the Internet or create additional layers of defense by placing the affected hardware behind a firewall or into a DMZ.
- Mitigation from the vendor CISA ICSA-20-051-03 · 1 productIf remote connections to the network are required, consider using a VPN or other means to ensure secure remote connections into the network where the device is located.
- Mitigation from the vendor CISA ICSA-20-051-03 · 1 productAlways use strong passwords on installations to prevent unauthorized access
Detection
- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- none listed PoC-in-GitHub
Sources
- NVDCVSS 3.19.1read 2026-10-23
- NVDCVSS 2.06.4read 2026-10-23
- CNAweakness (CWE)CWE-294read 2026-10-23
- NVDweakness (CWE)CWE-294read 2026-10-23
- FIRST EPSSEPSS score1.3 %2026-10-23
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- Published
- 2020-03-24
- Last Modified
- 2026-06-17
- NVD status
- Modified
Frequently asked questions
What is CVE-2020-6972?
Is CVE-2020-6972 actively exploited?
What is the CVSS score for CVE-2020-6972?
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Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.