Vulnerability Database

315,294

Total vulnerabilities in the database

CVE-2020-17140

Windows SMB Information Disclosure Vulnerability

Published: Dec 10, 2020
Updated: Nov 16, 2025
CVE: CVE-2020-17140
Severity: High
Exploit:

CVSS v3:

Severity: High
Score: 8.1
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

CVSS v2:

Severity: Low
Score: 4
AV:N/AC:L/Au:S/C:P/I:N/A:N

No CWE or OWASP classifications available.

Affected Software
References

Software	From	Fixed in
microsoft / windows_10	1607	1607.x
microsoft / windows_server_2008	r2-sp1	r2-sp1.x
microsoft / windows_server_2012	r2	r2.x
microsoft / windows_7	--sp1	--sp1.x
microsoft / windows_10	1803	1803.x
microsoft / windows_10	1809	1809.x
microsoft / windows_server_2016	1903	1903.x
microsoft / windows_10	1903	1903.x
microsoft / windows_server_2016	1909	1909.x
microsoft / windows_10	1909	1909.x
microsoft / windows_server_2016	2004	2004.x
microsoft / windows_10	2004	2004.x
microsoft / windows_server_2016	20h2	20h2.x
microsoft / windows_10	20h2	20h2.x

Deep Security Visibility Without the Complexity

SynScan provides clear, real-time security insights so you can monitor your attack surface, spot risks early, and act fast—without extra complexity.

No setup fees
5-min deployment
Cancel anytime