HIGH
Windows Netlogon Denial of Service Vulnerability
Published Jan 10, 2023
7.5
HIGHCVSS 3.1
EPSS 1.98%
Description
Windows Netlogon Denial of Service Vulnerability
Affected products
-
- Version 10.0.10240.0StatusaffectedConstraints<10.0.10240.19685
- Version
-
- Version 10.0.14393.0StatusaffectedConstraints<10.0.14393.5648
- Version
-
- Version 10.0.0StatusaffectedConstraints<10.0.17763.3887
- Version 10.0.17763.0StatusaffectedConstraints<10.0.17763.3887
- Version
-
- Version 10.0.0StatusaffectedConstraints<10.0.19042.2486
- Version
-
- Version 10.0.19043.0StatusaffectedConstraints<10.0.19044.2486
- Version
-
- Version 10.0.19045.0StatusaffectedConstraints<10.0.19045.2486
- Version
-
- Version 10.0.0StatusaffectedConstraints<10.0.22000.1455
- Version
-
- Version 10.0.22621.0StatusaffectedConstraints<10.0.22621.1105
- Version
-
- Version 6.1.0StatusaffectedConstraints<6.1.7601.26321
- Version
-
- Version 6.1.0StatusaffectedConstraints<6.1.7601.26321
- Version
-
- Version 6.3.0StatusaffectedConstraints<6.3.9600.20778
- Version
-
- Version 6.0.6003.0StatusaffectedConstraints<6.0.6003.21872
- Version
-
- Version 6.1.7601.0StatusaffectedConstraints<6.1.7601.26321
- Version
- Vendor Microsoft Product Windows Server 2008 R2 Service Pack 1 (Server Core installation) Defaultn/a
- Version 6.1.7601.0StatusaffectedConstraints<6.1.7601.26321
- Version
-
- Version 6.0.6003.0StatusaffectedConstraints<6.0.6003.21872
- Version
-
- Version 6.0.6003.0StatusaffectedConstraints<6.0.6003.21872
- Version
-
- Version 6.2.9200.0StatusaffectedConstraints<6.2.9200.24075
- Version
-
- Version 6.2.9200.0StatusaffectedConstraints<6.2.9200.24075
- Version
-
- Version 6.3.9600.0StatusaffectedConstraints<6.3.9600.20778
- Version
-
- Version 6.3.9600.0StatusaffectedConstraints<6.3.9600.20778
- Version
-
- Version 10.0.14393.0StatusaffectedConstraints<10.0.14393.5648
- Version
-
- Version 10.0.14393.0StatusaffectedConstraints<10.0.14393.5648
- Version
-
- Version 10.0.17763.0StatusaffectedConstraints<10.0.17763.3887
- Version
-
- Version 10.0.17763.0StatusaffectedConstraints<10.0.17763.3887
- Version
-
- Version 10.0.20348.0StatusaffectedConstraints<10.0.20348.1487
- 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 10 Version 1507 | n/a |
| |||||||||
| Microsoft | Windows 10 Version 1607 | n/a |
| |||||||||
| Microsoft | Windows 10 Version 1809 | n/a |
| |||||||||
| Microsoft | Windows 10 Version 20H2 | n/a |
| |||||||||
| Microsoft | Windows 10 Version 21H2 | n/a |
| |||||||||
| Microsoft | Windows 10 Version 22H2 | n/a |
| |||||||||
| Microsoft | Windows 11 version 21H2 | n/a |
| |||||||||
| Microsoft | Windows 11 version 22H2 | n/a |
| |||||||||
| Microsoft | Windows 7 | n/a |
| |||||||||
| Microsoft | Windows 7 Service Pack 1 | n/a |
| |||||||||
| Microsoft | Windows 8.1 | n/a |
| |||||||||
| Microsoft | Windows Server 2008 Service Pack 2 | n/a |
| |||||||||
| Microsoft | Windows Server 2008 R2 Service Pack 1 | n/a |
| |||||||||
| Microsoft | Windows Server 2008 R2 Service Pack 1 (Server Core installation) | n/a |
| |||||||||
| Microsoft | Windows Server 2008 Service Pack 2 | n/a |
| |||||||||
| Microsoft | Windows Server 2008 Service Pack 2 (Server Core installation) | n/a |
| |||||||||
| Microsoft | Windows Server 2012 | n/a |
| |||||||||
| Microsoft | Windows Server 2012 (Server Core installation) | n/a |
| |||||||||
| Microsoft | Windows Server 2012 R2 | n/a |
| |||||||||
| Microsoft | Windows Server 2012 R2 (Server Core installation) | n/a |
| |||||||||
| Microsoft | Windows Server 2016 | n/a |
| |||||||||
| Microsoft | Windows Server 2016 (Server Core installation) | n/a |
| |||||||||
| Microsoft | Windows Server 2019 | n/a |
| |||||||||
| Microsoft | Windows Server 2019 (Server Core installation) | n/a |
| |||||||||
| Microsoft | Windows Server 2022 | n/a |
|
OR
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- r2
- n/a
- r2
- n/a
- n/a
- 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.
7.5 HIGH CVE.org
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
Exploit Maturity Unreported
1 other source (NVD) ▾
7.5 HIGH NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
YesTechnical Impact
PartialDecision
n/aAssessed Jul 16, 2024 · SSVC 2.0.3
1.98% 0.01978
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01978
Score over time
2023–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (27 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.98% (0.01978) | 79.76th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.98% (0.01978) | 77.84th | v5 (v2026.06.15) |
| Feb 15, 2026 | 3.42% (0.03423) | 87.18th | v4 (v2025.03.14) |
| Jan 14, 2026 | 2.02% (0.02023) | 83.31th | v4 (v2025.03.14) |
| Nov 21, 2025 | 0.42% (0.00419) | 61.16th | v4 (v2025.03.14) |
| Nov 18, 2025 | 2.78% (0.02781) | 84.78th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.43% (0.00432) | 60.55th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.18% (0.00179) | 56.44th | v3 (v2023.03.01) |
| Jul 5, 2024 | 0.13% (0.00130) | 48.28th | v3 (v2023.03.01) |
| Jun 22, 2024 | 0.25% (0.00248) | 65.01th | v3 (v2023.03.01) |
| May 26, 2024 | 0.20% (0.00201) | 57.53th | v3 (v2023.03.01) |
| Apr 29, 2024 | 0.14% (0.00141) | 49.18th | v3 (v2023.03.01) |
| Jan 17, 2024 | 0.11% (0.00111) | 44.15th | v3 (v2023.03.01) |
| Dec 11, 2023 | 0.08% (0.00076) | 31.52th | v3 (v2023.03.01) |
| Aug 19, 2023 | 0.06% (0.00064) | 26.40th | v3 (v2023.03.01) |
| Aug 6, 2023 | 0.07% (0.00072) | 29.88th | v3 (v2023.03.01) |
| Jul 3, 2023 | 0.10% (0.00102) | 40.62th | v3 (v2023.03.01) |
| Jun 15, 2023 | 0.16% (0.00164) | 51.88th | v3 (v2023.03.01) |
| May 30, 2023 | 0.19% (0.00194) | 55.79th | v3 (v2023.03.01) |
| May 22, 2023 | 0.26% (0.00259) | 62.15th | v3 (v2023.03.01) |
| May 8, 2023 | 0.19% (0.00194) | 55.61th | v3 (v2023.03.01) |
| Mar 25, 2023 | 0.17% (0.00165) | 51.58th | v3 (v2023.03.01) |
| Mar 17, 2023 | 0.12% (0.00116) | 43.86th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.07% (0.00065) | 26.58th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.25% (0.02251) | 81.34th | v2 (v2022.01.01) |
| Jan 19, 2023 | 2.25% (0.02251) | 80.77th | v2 (v2022.01.01) |
| Jan 11, 2023 | 0.89% (0.00885) | 27.27th | v2 (v2022.01.01) |
Weaknesses (1)
References (1)
| Link | Providers | Tags |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21728 | vendor-advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published Jan 10, 2023
Updated Jan 1, 2025
Reserved Dec 13, 2022
Link CVE-2023-21728
CISA Vulnrichment
Updated Jul 16, 2024