VDB
CVE-2021-1637
CVE-2021-1637
PUBLISHED
CVSS 5.5 MEDIUM
Windows DNS Query Information Disclosure Vulnerability
EPSS 0.28% · 51.8th 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
0.28%
51.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 Version 1809 | 10.0.0 |
| microsoft | windows_server_2016 | 20h2, 1909, 2004 |
| microsoft | windows_8.1 | |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.0 |
| Microsoft | Windows 8.1 | 6.3.0 |
| Microsoft | Windows 10 Version 2004 | 10.0.0 |
| Microsoft | Windows Server 2016 | 10.0.0 |
| Microsoft | Windows Server version 2004 | 10.0.0 |
| microsoft | windows_rt_8.1 | |
| Microsoft | Windows 10 Version 1803 | 10.0.0 |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.0 |
| microsoft | windows_10 | 1809, 1607, 20h2 |
| Microsoft | Windows Server 2012 R2 | 6.3.0 |
| microsoft | windows_server_2012 | * |
| Microsoft | Windows 10 Version 1607 | 10.0.0 |
| Microsoft | Windows 10 Version 1909 | 10.0.0 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | 6.3.0 |
| Microsoft | Windows Server version 20H2 | 10.0.0 |
| Microsoft | Windows 10 Version 1507 | 10.0.0 |
| Microsoft | Windows Server 2019 | 10.0.0 |
…and 2 more
Exploit Intelligence
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1637 (circl)
- Windows DNS Query Information Disclosure Vulnerability (circl)
- expl_cve_2021_1647.yar (github-yara)
- expl_cve_2021_1647.yar (github-yara)
- expl_cve_2021_1647.yar (github-yara)
- expl_cve_2021_1647.yar (github-yara)
- EXPL_CVE_2021_1647_Apr21_1.yar (github-yara)
- EXPL_CVE_2021_1647_Apr21_1.yar (github-yara)
- EXPL_CVE_2021_1647_Apr21_1.yar (github-yara)
- EXPL_CVE_2021_1647_Apr21_1.yar (github-yara)
…and 28 more exploits
Timeline
- Jan 12, 2021 CVE Published
- Apr 14, 2021 EPSS Score
- May 5, 2021 PoC Published
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Dec 27, 2021 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 4, 2022 EPSS Score