Attacker Value
Very High
5
CVE-2023-21752
5
CVE ID
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CVE-2023-21752
(Last updated October 08, 2023) ▾
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Command and Control
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Credential Access
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Privilege Escalation
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Easy to weaponizeGives privileged accessUnauthenticatedVulnerable in default configurationRequires elevated accessRequires user interaction
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Description
Windows Backup Service Elevation of Privilege Vulnerability
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Ratings
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Attacker ValueVery High
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ExploitabilityVery High
Technical Analysis
CVE-2023-21752 – Windows Backup service – Privilege Escalation
Description:
Windows 11 Pro build 10.0.22000 Build 22000 suffers from Backup service – Privilege Escalation vulnerability.
An attacker who successfully exploited this vulnerability could gain SYSTEM privileges
and could delete data that could include data that results in the service being unavailable.
STATUS: HIGH Vulnerability – CRITICAL
[+] Exploit:
Reproduce:
Proof and Exploit:
Reference:
FAQ from Microsoft
What privileges could be gained by an attacker who successfully exploited the vulnerability? An attacker who successfully exploited this vulnerability could gain SYSTEM privileges. According to the CVSS metrics, successful exploitation of this vulnerability could lead to no loss of confidentiality (C:N) but have major impact on integrity (I:H) and on availability (A:H). What does that mean for this vulnerability? This vulnerability does not allow disclosure of any confidential information, but could allow an attacker to delete data that could include data that results in the service being unavailable.
RPC
Affected Releases:
Jan 10, 2023 Windows 10 Version 1809 for 32-bit Systems - Elevation of Privilege Important 5022286 Security Update CVE-2023-21752 Jan 10, 2023 Windows 10 Version 20H2 for ARM64-based Systems - Elevation of Privilege Important 5022282 Security Update CVE-2023-21752 Jan 10, 2023 Windows 10 Version 20H2 for 32-bit Systems - Elevation of Privilege Important 5022282 Security Update CVE-2023-21752 Jan 10, 2023 Windows 10 Version 20H2 for x64-based Systems - Elevation of Privilege Important 5022282 Security Update CVE-2023-21752 Jan 10, 2023 Windows 11 Version 22H2 for x64-based Systems - Elevation of Privilege Important 5022303 Security Update CVE-2023-21752 Jan 10, 2023 Windows 10 Version 21H2 for x64-based Systems - Elevation of Privilege Important 5022282 Security Update CVE-2023-21752 Jan 10, 2023 Windows 10 Version 22H2 for x64-based Systems - Elevation of Privilege Important 5022282 Security Update CVE-2023-21752 Jan 10, 2023 Windows 10 Version 21H2 for 32-bit Systems - Elevation of Privilege Important 5022282 Security Update CVE-2023-21752 Jan 10, 2023 Windows 11 version 21H2 for ARM64-based Systems - Elevation of Privilege Important 5022287 Security Update CVE-2023-21752 Jan 10, 2023 Windows 11 version 21H2 for x64-based Systems - Elevation of Privilege Important 5022287 Security Update CVE-2023-21752 Jan 10, 2023 Windows 10 Version 21H2 for ARM64-based Systems - Elevation of Privilege Important 5022282 Security Update CVE-2023-21752 Jan 10, 2023 Windows 10 Version 22H2 for 32-bit Systems - Elevation of Privilege Important 5022282 Security Update CVE-2023-21752 Jan 10, 2023 Windows 11 Version 22H2 for ARM64-based Systems - Elevation of Privilege Important 5022303 Security Update CVE-2023-21752 Jan 10, 2023 Windows 10 Version 22H2 for ARM64-based Systems - Elevation of Privilege Important 5022282 Security Update CVE-2023-21752 Jan 10, 2023 Windows 7 for 32-bit Systems Service Pack 1 - Elevation of Privilege Important 5022338 5022339 Monthly Rollup Security Only CVE-2023-21752 Jan 10, 2023 Windows 10 for 32-bit Systems - Elevation of Privilege Important 5022297 Security Update CVE-2023-21752 Jan 10, 2023 Windows 10 Version 1607 for x64-based Systems - Elevation of Privilege Important 5022289 Security Update CVE-2023-21752 Jan 10, 2023 Windows 10 for x64-based Systems - Elevation of Privilege Important 5022297 Security Update CVE-2023-21752 Jan 10, 2023 Windows 7 for x64-based Systems Service Pack 1 - Elevation of Privilege Important 5022338 5022339 Monthly Rollup Security Only CVE-2023-21752 Jan 10, 2023 Windows 10 Version 1809 for x64-based Systems - Elevation of Privilege Important 5022286 Security Update CVE-2023-21752 Jan 10, 2023 Windows 10 Version 1607 for 32-bit Systems - Elevation of Privilege Important 5022289 Security Update CVE-2023-21752 Jan 10, 2023 Windows 10 Version 1809 for ARM64-based Systems - Elevation of Privilege Important 5022286 Security Update CVE-2023-21752
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Data provided by the National Vulnerability Database (NVD)
Base Score:
7.1 High
Impact Score:
5.2
Exploitability Score:
1.8
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
High
Availability (A):
High
General Information
Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
Windows 10 Version 22H2 10.0.19045.2486
Windows 11 version 22H2 10.0.22621.1105
Windows 10 Version 21H2 10.0.19044.2486
Windows 11 version 21H2 10.0.22000.1455
Windows 10 Version 20H2 10.0.19042.2486
Windows 10 Version 1809 10.0.17763.3887
Windows 10 Version 1607 10.0.14393.5648
Windows 7 Service Pack 1 6.1.7601.26321
Windows 10 Version 1507 10.0.10240.19685
Windows 7 6.1.7601.26321
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown
Vendors
- microsoft
Products
- windows 10 -,
- windows 10 1607,
- windows 10 1809,
- windows 10 20h2,
- windows 10 21h2,
- windows 10 22h2,
- windows 11 -,
- windows 11 21h2,
- windows 11 22h2,
- windows 7 -
References
Additional Info
Authenticated
Unknown
Exploitable
Unknown
Reliability
Unknown
Stability
Unknown
Available Mitigations
Unknown
Shelf Life
Unknown
Userbase/Installbase
Unknown
Patch Effectiveness
Unknown
Rapid7
Technical Analysis
Report as Exploited in the Wild
CVE ID
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