Microsoft Simple Certificate Enrollment Protocol Denial of Service Vulnerability
Priority MEDIUM 43CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Microsoft. Impact type from Microsoft.
Summary
Microsoft Simple Certificate Enrollment Protocol Denial of Service Vulnerability
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02309 83rd percentileScored 2026-11-07
Fix Fixed Microsoft: 10 updates
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | Windows Server 2008 Service Pack 2 | 6.0.6003.0 to before 6.0.6003.22918 | 6.0.6003.22918 | Patch available | CNA |
| Microsoft | Windows Server 2008 R2 Service Pack 1 | 6.1.7601.0 to before 6.1.7601.27366 | 6.1.7601.27366 | Patch available | CNA |
| Microsoft | Windows Server 2008 R2 Service Pack 1 (Server Core installation) | 6.1.7601.0 to before 6.1.7601.27366 | 6.1.7601.27366 | Patch available | CNA |
| Microsoft | Windows Server 2008 Service Pack 2 | 6.0.6003.0 to before 6.0.6003.22918 | 6.0.6003.22918 | Patch available | CNA |
| Microsoft | Windows Server 2008 Service Pack 2 (Server Core installation) | 6.0.6003.0 to before 6.0.6003.22918 | 6.0.6003.22918 | Patch available | CNA |
| Microsoft | Windows Server 2012 | 6.2.9200.0 to before 6.2.9200.25118 | 6.2.9200.25118 | Patch available | CNA |
| Microsoft | Windows Server 2012 (Server Core installation) | 6.2.9200.0 to before 6.2.9200.25118 | 6.2.9200.25118 | Patch available | CNA |
| Microsoft | Windows Server 2012 R2 | 6.3.9600.0 to before 6.3.9600.22221 | 6.3.9600.22221 | Patch available | CNA |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | 6.3.9600.0 to before 6.3.9600.22221 | 6.3.9600.22221 | Patch available | CNA |
| Microsoft | Windows Server 2016 | 10.0.14393.0 to before 10.0.14393.7428 | 10.0.14393.7428 | Patch available | CNA |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 to before 10.0.14393.7428 | 10.0.14393.7428 | Patch available | CNA |
| Microsoft | Windows Server 2019 | 10.0.17763.0 to before 10.0.17763.6414 | 10.0.17763.6414 | Patch available | CNA |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 to before 10.0.17763.6414 | 10.0.17763.6414 | Patch available | CNA |
| Microsoft | Windows Server 2022 | 10.0.20348.0 to before 10.0.20348.2762 | 10.0.20348.2762 | Patch available | CNA |
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | 10.0.25398.0 to before 10.0.25398.1189 | 10.0.25398.1189 | Patch available | CNA |
- Windows Server 2008 Service Pack 2 VendorMicrosoft Affected 6.0.6003.0 to before 6.0.6003.22918 Fixed in 6.0.6003.22918 Patch available CNA
- Windows Server 2008 R2 Service Pack 1 VendorMicrosoft Affected 6.1.7601.0 to before 6.1.7601.27366 Fixed in 6.1.7601.27366 Patch available CNA
- Windows Server 2008 R2 Service Pack 1 (Server Core installation) VendorMicrosoft Affected 6.1.7601.0 to before 6.1.7601.27366 Fixed in 6.1.7601.27366 Patch available CNA
- Windows Server 2008 Service Pack 2 VendorMicrosoft Affected 6.0.6003.0 to before 6.0.6003.22918 Fixed in 6.0.6003.22918 Patch available CNA
- Windows Server 2008 Service Pack 2 (Server Core installation) VendorMicrosoft Affected 6.0.6003.0 to before 6.0.6003.22918 Fixed in 6.0.6003.22918 Patch available CNA
- Windows Server 2012 VendorMicrosoft Affected 6.2.9200.0 to before 6.2.9200.25118 Fixed in 6.2.9200.25118 Patch available CNA
- Windows Server 2012 (Server Core installation) VendorMicrosoft Affected 6.2.9200.0 to before 6.2.9200.25118 Fixed in 6.2.9200.25118 Patch available CNA
- Windows Server 2012 R2 VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.22221 Fixed in 6.3.9600.22221 Patch available CNA
- Windows Server 2012 R2 (Server Core installation) VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.22221 Fixed in 6.3.9600.22221 Patch available CNA
- Windows Server 2016 VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.7428 Fixed in 10.0.14393.7428 Patch available CNA
- Windows Server 2016 (Server Core installation) VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.7428 Fixed in 10.0.14393.7428 Patch available CNA
- Windows Server 2019 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.6414 Fixed in 10.0.17763.6414 Patch available CNA
- Windows Server 2019 (Server Core installation) VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.6414 Fixed in 10.0.17763.6414 Patch available CNA
- Windows Server 2022 VendorMicrosoft Affected 10.0.20348.0 to before 10.0.20348.2762 Fixed in 10.0.20348.2762 Patch available CNA
- Windows Server 2022, 23H2 Edition (Server Core installation) VendorMicrosoft Affected 10.0.25398.0 to before 10.0.25398.1189 Fixed in 10.0.25398.1189 Patch available CNA
CPE configurations NVD · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* | r2 sp1 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* | r2 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* | before 10.0.14393.7428 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* | before 10.0.17763.6414 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* | before 10.0.20348.2762 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* | before 10.0.25398.1189 | Vulnerable | Microsoft |
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* Versions r2 sp1 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* Versions r2 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* Versions before 10.0.14393.7428 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* Versions before 10.0.17763.6414 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* Versions before 10.0.20348.2762 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* Versions before 10.0.25398.1189 Vulnerable ·Microsoft
Remediation
Microsoft 10 updates
- Monthly Rollup
- Windows Server 2008 R2 for x64-based Systems Service Pack 1 6.1.7601.27366
- Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 6.1.7601.27366
- Monthly Rollup
- Windows Server 2012 R2 6.3.9600.22221
- Windows Server 2012 R2 (Server Core installation) 6.3.9600.22221
- Monthly Rollup
- Windows Server 2012 6.2.9200.25118
- Windows Server 2012 (Server Core installation) 6.2.9200.25118
Show 7 more Microsoft updates
- Security Only
- Windows Server 2008 R2 for x64-based Systems Service Pack 1 6.1.7601.27366
- Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 6.1.7601.27366
- Monthly Rollup
- Windows Server 2008 for 32-bit Systems Service Pack 2 6.0.6003.22918
- Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 6.0.6003.22918
- Windows Server 2008 for x64-based Systems Service Pack 2 6.0.6003.22918
- Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 6.0.6003.22918
- Security Only
- Windows Server 2008 for 32-bit Systems Service Pack 2 6.0.6003.22918
- Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 6.0.6003.22918
- Windows Server 2008 for x64-based Systems Service Pack 2 6.0.6003.22918
- Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 6.0.6003.22918
- Security Update
- Microsoft .NET Framework 3.5 AND 4.7.2 10.0.14393.7428
- Windows 10 Version 1607 for 32-bit Systems 10.0.14393.7428
- Windows 10 Version 1607 for x64-based Systems 10.0.14393.7428
- Windows Server 2016 10.0.14393.7428
- Windows Server 2016 (Server Core installation) 10.0.14393.7428
- Security Update
- Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.1189
- Security Update
- Windows Server 2022 10.0.20348.2762
- Windows Server 2022 (Server Core installation) 10.0.20348.2762
- Security Update
- Windows 10 Version 1809 for 32-bit Systems 10.0.17763.6414
- Windows 10 Version 1809 for x64-based Systems 10.0.17763.6414
- Windows Server 2019 10.0.17763.6414
- Windows Server 2019 (Server Core installation) 10.0.17763.6414
Vendor assessments
Microsoft
Microsoft's page for this CVE →
- Impact
- Denial of Service
- Exploited
- No
- Publicly disclosed
- No
- Exploitability
- Exploitation Less Likely
Timeline
- 2026-10-02 Threatist record created from CVE-2024-43541
- 2026-10-03 Alias added: GHSA-w659-5wvm-43mr
More Microsoft Windows Server 2008 vulnerabilities
- TI-2020-01431 Netlogon Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 10.0
- TI-2020-01310 Improper input validation in Microsoft Windows Server KEVCVSS 3.1CRITICAL 10.0
- TI-2019-00485 Use after free in Microsoft Windows KEVCVSS 3.1CRITICAL 9.8
- TI-2017-06077 Microsoft Windows XP SP3, Windows XP x64 XP2, Windows Server 2003 SP2, Windows Vista… KEVCVSS 3.1CRITICAL 9.8
- TI-2015-01465 HTTP.sys in Microsoft Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8, Windows 8.1… KEVCVSS 3.1CRITICAL 9.8
- TI-2008-04072 The Server service in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and… KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2024-43541 · CVE Program
- CVE-2024-43541 · NVD
- FIRST EPSS
- GHSA-w659-5wvm-43mr · GitHub Advisory Database · CC BY 4.0
- CVE-2024-43541 · Microsoft Security Update Guide
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences