VDB
CVE-2023-21687
CVE-2023-21687
PUBLISHED
CVSS 5.5 MEDIUM
HTTP.sys Information Disclosure Vulnerability
EPSS 2.92% · 86.7th percentile
Risk Scores
CVSS 3.1
5.5
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
EPSS Score
2.92%
86.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 11 version 22H2 | 10.0.22621.0 |
| Microsoft | Windows Server 2022 | 10.0.20348.0 |
| microsoft | windows_11_21H2 | 10.0.0 |
| microsoft | windows_11_22h2 | 0, 0, 0 |
| microsoft | windows_11_22H2 | 10.0.22621.0 |
| microsoft | windows_11_21h2 | 0, 0, 0 |
| Microsoft | Windows 11 version 21H2 | 10.0.0 |
| microsoft | windows_server_2022 | 10.0.20348.0 |
Exploit Intelligence
- https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1 (msrc)
- HTTP.sys Information Disclosure Vulnerability (circl)
- cvrf.go (github-poc)
- cvrf.go (github-poc)
- cvrf.go (github-poc)
- cvrf.go (github-poc)
- cvrf.go (github-poc)
- cvrf.go (github-poc)
Timeline
- Feb 14, 2023 CVE Published
- Feb 15, 2023 EPSS Score
- Mar 7, 2023 EPSS Score
- Mar 27, 2023 EPSS Score
- Jun 14, 2023 EPSS Score
- Jul 23, 2023 EPSS Score
- Sep 1, 2023 EPSS Score
- Oct 11, 2023 EPSS Score
- Nov 19, 2023 EPSS Score
- Feb 7, 2024 EPSS Score
- Mar 17, 2024 EPSS Score
- Apr 26, 2024 EPSS Score
References
- https://msrc.microsoft.com/update-guide/ advisory
- HTTP.sys Information Disclosure Vulnerability vendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2023-21687 advisory