CVE-2023-21687 — MEDIUM (5.5)

Q: What is CVE-2023-21687?

CVE-2023-21687 is a vulnerability with a CVSS score of 5.5 (MEDIUM). HTTP.sys Information Disclosure Vulnerability

Q: How severe is CVE-2023-21687?

CVE-2023-21687 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2023-21687?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 11 21H2, Microsoft Windows 11 22H2, Microsoft Windows Server 2022.

Vulnerability Description

HTTP.sys Information Disclosure Vulnerability

CVSS Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Microsoft	Windows 11 21H2	< 10.0.22000.1574
Microsoft	Windows 11 22H2	< 10.0.22621.1265
Microsoft	Windows Server 2022	-

Related Weaknesses (CWE)

CWE-668 CWE-125

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21687PatchVendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21687PatchVendor Advisory

FAQ

What is CVE-2023-21687?

CVE-2023-21687 is a vulnerability with a CVSS score of 5.5 (MEDIUM). HTTP.sys Information Disclosure Vulnerability

How severe is CVE-2023-21687?

CVE-2023-21687 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-21687?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 11 21H2, Microsoft Windows 11 22H2, Microsoft Windows Server 2022.