| VID |
26857 |
| Severity |
40 |
| Port |
139,445 |
| Protocol |
TCP |
| Class |
SMB |
| Detailed Description |
Microsoft Security Update for July 2021 is not installed. The remote Windows host is missing a security update. It is, therefore, affected by multiple vulnerabilities
- Windows TCP/IP Driver Denial of Service Vulnerability (CVE-2021-31183)
- Windows InstallService Elevation of Privilege Vulnerability (CVE-2021-31961)
- Windows Kernel Elevation of Privilege Vulnerability (CVE-2021-31979)
- Windows Media Remote Code Execution Vulnerability (CVE-2021-33740)
- Windows Projected File System Elevation of Privilege Vulnerability (CVE-2021-33743)
- Windows Secure Kernel Mode Security Feature Bypass Vulnerability (CVE-2021-33744)
- Windows DNS Server Denial of Service Vulnerability (CVE-2021-33745)
- Windows DNS Server Remote Code Execution Vulnerability (CVE-2021-33746)
- Windows DNS Snap-in Remote Code Execution Vulnerability (CVE-2021-33749)
* Note: This check requires an account with administrative privileges which can log into the host to scan. Absence of this condition will result in the check not being performed and a False Negative for all vulnerable hosts.
* References:
https://support.microsoft.com/en-us/help/4009469
https://support.microsoft.com/en-us/help/4009470
https://support.microsoft.com/en-us/help/4009471
https://support.microsoft.com/en-us/help/4000825
* Platforms Affected:
Windows Server 2008 R2 SP1
Windows Server 2008 R2 x64 SP1
Windows 8.1
Windows Server 2012
Windows Server 2012 R2
Windows 10
Windows Server 2016 |
| Recommendation |
Apply the appropriate patch for your system, as listed in Microsoft Security Bulletin July 2021 Microsoft security update at
https://support.microsoft.com/en-us/help/4009469
https://support.microsoft.com/en-us/help/4009470
https://support.microsoft.com/en-us/help/4009471
https://support.microsoft.com/en-us/help/4000825
-- OR --
Patches for Windows platforms are also available from the Microsoft Windows Update Web site, http://windowsupdate.microsoft.com. Windows Update detects what version of Windows you are running and offers the appropriate patch. |
| Related URL |
CVE-2021-31183,CVE-2021-31961,CVE-2021-31979,CVE-2021-33740,CVE-2021-33743,CVE-2021-33744,CVE-2021-33745,CVE-2021-33746,CVE-2021-33749 (CVE) |
| Related URL |
(SecurityFocus) |
| Related URL |
(ISS) |
|
