// For flags

CVE-2023-21687

HTTP.sys Information Disclosure Vulnerability

Severity Score

5.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

HTTP.sys Information Disclosure Vulnerability

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2022-12-13 CVE Reserved
  • 2023-02-14 CVE Published
  • 2024-08-02 CVE Updated
  • 2024-09-06 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-125: Out-of-bounds Read
  • CWE-668: Exposure of Resource to Wrong Sphere
CAPEC
References (1)
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Microsoft
Search vendor "Microsoft"
Windows 11 21h2
Search vendor "Microsoft" for product "Windows 11 21h2"
< 10.0.22000.1574
Search vendor "Microsoft" for product "Windows 11 21h2" and version " < 10.0.22000.1574"
arm64
Affected
Microsoft
Search vendor "Microsoft"
Windows 11 21h2
Search vendor "Microsoft" for product "Windows 11 21h2"
< 10.0.22000.1574
Search vendor "Microsoft" for product "Windows 11 21h2" and version " < 10.0.22000.1574"
x64
Affected
Microsoft
Search vendor "Microsoft"
Windows 11 22h2
Search vendor "Microsoft" for product "Windows 11 22h2"
< 10.0.22621.1265
Search vendor "Microsoft" for product "Windows 11 22h2" and version " < 10.0.22621.1265"
arm64
Affected
Microsoft
Search vendor "Microsoft"
Windows 11 22h2
Search vendor "Microsoft" for product "Windows 11 22h2"
< 10.0.22621.1265
Search vendor "Microsoft" for product "Windows 11 22h2" and version " < 10.0.22621.1265"
x64
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2022
Search vendor "Microsoft" for product "Windows Server 2022"
--
Affected