HIGH
A security feature bypass vulnerability exists when Windows Defender Firewall incorrectly applies firewall profiles to cellular network connections, aka 'Windows Defender Firewall Security Feature Bypass Vulnerability'
Published Mar 6, 2019
7.5
HIGHCVSS 3.0
EPSS 4.30%
Description
A security feature bypass vulnerability exists when Windows Defender Firewall incorrectly applies firewall profiles to cellular network connections, aka 'Windows Defender Firewall Security Feature Bypass Vulnerability'.
Affected products
-
- Version 10 Version 1709 for 32-bit SystemsStatusaffectedConstraints-
- Version 10 Version 1709 for ARM64-based SystemsStatusaffectedConstraints-
- Version 10 Version 1709 for x64-based SystemsStatusaffectedConstraints-
- Version 10 Version 1803 for 32-bit SystemsStatusaffectedConstraints-
- Version 10 Version 1803 for ARM64-based SystemsStatusaffectedConstraints-
- Version 10 Version 1803 for x64-based SystemsStatusaffectedConstraints-
- Version 10 Version 1809 for 32-bit SystemsStatusaffectedConstraints-
- Version 10 Version 1809 for ARM64-based SystemsStatusaffectedConstraints-
- Version 10 Version 1809 for x64-based SystemsStatusaffectedConstraints-
- Version
-
- Version 2019StatusaffectedConstraints-
- Version 2019 (Core installation)StatusaffectedConstraints-
- Version version 1709 (Core Installation)StatusaffectedConstraints-
- Version version 1803 (Core Installation)StatusaffectedConstraints-
- 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 | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Windows | n/a |
| ||||||||||||||||||||||||||||||
| Microsoft | Windows Server | n/a |
|
OR
- 1709
- 1803
- 1809
- 1709
- 1803
- n/a
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.
No CVSS v3.1 score for this CVE.
7.5 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact High
Availability Impact None
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
4.30% 0.04297
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.04297
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (21 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.30% (0.04297) | 90.82th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.30% (0.04297) | 89.82th | v5 (v2026.06.15) |
| May 24, 2025 | 11.95% (0.11945) | 93.36th | v4 (v2025.03.14) |
| Mar 30, 2025 | 6.28% (0.06276) | 89.97th | v4 (v2025.03.14) |
| Mar 29, 2025 | 16.32% (0.16318) | 91.46th | v4 (v2025.03.14) |
| Mar 19, 2025 | 6.28% (0.06276) | 89.72th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.08% (0.03077) | 85.85th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.11% (0.00111) | 45.95th | v3 (v2023.03.01) |
| Jun 14, 2024 | 0.13% (0.00134) | 48.78th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.13% (0.00134) | 46.74th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.20% (0.05203) | 89.68th | v2 (v2022.01.01) |
| Jan 16, 2023 | 5.20% (0.05203) | 89.26th | v2 (v2022.01.01) |
| Dec 10, 2022 | 4.43% (0.04434) | 87.94th | v2 (v2022.01.01) |
| Aug 30, 2022 | 4.03% (0.04026) | 85.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.36% (0.03358) | 82.80th | v2 (v2022.01.01) |
| Feb 11, 2022 | 13.14% (0.13144) | 90.58th | v2 (v2022.01.01) |
| Feb 4, 2022 | 14.39% (0.14388) | 91.01th | v2 (v2022.01.01) |
| Feb 3, 2022 | 24.37% (0.24372) | 95.46th | v1 |
| Jan 6, 2022 | 24.37% (0.24372) | 95.40th | v1 |
| Sep 1, 2021 | 6.70% (0.06701) | 91.08th | v1 |
| Apr 14, 2021 | 6.70% (0.06701) | 0.00th | v1 |
Weaknesses (0)
No CWE recorded.
References (2)
- http://www.securityfocus.com/bid/106879 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0637 x_refsource_CONFIRMPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/106879 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0637 | x_refsource_CONFIRMPatchVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published Mar 6, 2019
Updated Aug 4, 2024
Reserved Nov 26, 2018
Link CVE-2019-0637
CISA Vulnrichment
Updated n/a