CVE-2023-21687 - CVE House
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Status published Medium CVE-2023-21687

HTTP.sys Information Disclosure Vulnerability

Vulnerability Description

HTTP.sys Information Disclosure Vulnerability

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Windows Server 2022, Windows 11 version 21H2, Windows 11 version 22H2
Vulnerable Versions:
10.0.20348.0, 10.0.0, 10.0.22621.0

Timeline

Official Publish: February 14th, 2023
Last Modified: January 1st, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: 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

Weaknesses (CWE)

CWE-125

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1213 Data from Information Repositories
Collection
T1003 OS Credential Dumping
Credential Access
T1552 Unsecured Credentials
Credential Access