Information disclosure in Microsoft Windows and Windows Server - CVE-2020-1206
Published: June 9, 2020 / Updated: July 15, 2020
Vulnerability identifier: #VU28869
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-1206
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to the way Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests A remote attacker can send a specially crafted packet to a targeted SMBv3 server gain unauthorized access to sensitive information on the system.
Affected software
Microsoft Windows
Windows Server
Windows Server
How to mitigate CVE-2020-1206
Install updates from vendor's website.
Links to Public Exploits and PoC-codes
- Exploit #3487 - SMBGhost-SMBleed-scanner (SMBGhost (CVE-2020-0796) and SMBleed (CVE-2020-1206) Scanner) (July 15, 2020)
- Exploit #3073 - CVE-2020-1206-Exploit () (July 15, 2020)
- Exploit #3075 - Smbleed-CVE-2020-1206-Exploit () (July 15, 2020)
- Exploit #3019 - CVE-2020-1206-POC (CVE-2020-1206 Uninitialized Kernel Memory Read POC) (June 10, 2020)