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
Published Mar 24, 2020
9.1
CRITICALCVSS 3.1
EPSS 1.32%
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.
Affected products
-
- Version Notifier Web Server (NWS) Version 3.50 and earlierStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Honeywell | Notifier Web Server (NWS) Version 3.50 and earlier | n/a |
|
- ≤ 3.50
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.32% (0.01325) | 69.91th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.32% (0.01325) | 69.69th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.16% (0.00158) | 52.75th | v3 (v2023.03.01) |
| Jun 26, 2024 | 0.16% (0.00158) | 52.55th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.16% (0.00158) | 50.54th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 10.85% (0.10855) | 88.34th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.95% (0.01953) | 49.98th | v1 |
| Jan 6, 2022 | 1.95% (0.01953) | 49.47th | v1 |
| Jan 5, 2022 | 0.44% (0.00442) | 28.89th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.44% (0.00442) | 0.00th | v1 |
References (1)
- https://www.us-cert.gov/ics/advisories/icsa-20-051-03 x_refsource_MISCThird Party AdvisoryUS Government Resource
| Link | Providers | Tags |
|---|---|---|
| https://www.us-cert.gov/ics/advisories/icsa-20-051-03 | x_refsource_MISCThird Party AdvisoryUS Government Resource |
Change history (0)
No recorded changes yet.