Privilege escalation in Microsoft Diagnostics Hub Standard Collector
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-42277 |
| CWE-ID | CWE-264 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Windows Operating systems & Components / Operating system Windows Server Operating systems & Components / Operating system Visual Studio Universal components / Libraries / Software for developers |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU58032
Risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-42277
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 Diagnostics Hub Standard Collector. A local user can delete targeted files on a system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsWindows: 10 - 11 21H2
Windows Server: 2016 - 2019 2004
Visual Studio: 15.9 - 2015 Update 3
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42277
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.
