Vulnerability CVE-2023-21687

Vulnerability Name:

CVE-2023-21687 (CCN-245997)

Assigned:

2022-12-13

Published:

2023-02-14

Updated:

2023-02-23

Summary:

CVSS v3 Severity:

5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): None Availibility (A): None

5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): None Availibility (A): None

CVSS v2 Severity:

4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:N/A:N)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Complete Integrity (I): None Availibility (A): None

Vulnerability Consequences:

Obtain Information

References:

Source: MITRE
Type: CNA
CVE-2023-21687

Source: XF
Type: UNKNOWN
ms-windows-cve202321687-info-disc(245997)

Source: CCN
Type: Microsoft Security TechCenter - February 2023
CVE-2023-21687 - HTTP.sys Information Disclosure Vulnerability

Vulnerable Configuration:

Configuration CCN 1:

cpe:/o:microsoft:windows_server:2022:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_11:22h2:*:*:*:*:*:arm64:*

OR cpe:/o:microsoft:windows_11:22h2:*:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_11_21h2:-:*:*:*:*:*:arm64:*

OR cpe:/o:microsoft:windows_11_21h2:-:*:*:*:*:*:x64:*

Denotes that component is vulnerable

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