Multiple vulnerabilities in Microsoft Windows Server Update Service (WSUS)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2023-32056 CVE-2023-35317 |
| CWE-ID | CWE-264 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software |
Windows Operating systems & Components / Operating system Windows Server Operating systems & Components / Operating system |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU78190
Risk: Low
CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2023-32056
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in the Windows Server Update Service (WSUS), which leads to security restrictions bypass and privilege escalation.
MitigationInstall updates from vendor's website.
Vulnerable software versionsWindows: 10 - 11 22H2 10.0.22621.521
Windows Server: 2019 10.0.17763.1 - 2022 20H2
CPE2.3- cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows:10:Gold:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows:10:S:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows:10:Mobile:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows:10_20H2:10.0.19042.572:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows:10_21H1:10.0.19043.985:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows:10_21H2:10.0.19044.1288:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows:10_1511:10.0.10586.3:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server:2019:10.0.17763.1:*:*:*:*:*:*
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-32056
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU78191
Risk: Low
CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2023-35317
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in the Windows Server Update Service (WSUS), which leads to security restrictions bypass and privilege escalation.
MitigationInstall updates from vendor's website.
Vulnerable software versionsWindows Server: 2012 - 2022 20H2
CPE2.3- cpe:2.3:o:microsoft:windows_server:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server:2012_R2:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server:2016:10.0.14393.10:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server:2019:10.0.17763.1:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server:2019_20H2:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server:2019_1709:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server:2019_1803:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server:2019_1903:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server:2019_1909:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server:2019_2004:*:*:*:*:*:*:*
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35317
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
