CVE-2020-1206

high

Description

An information disclosure vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests, aka 'Windows SMBv3 Client/Server Information Disclosure Vulnerability'.

From the Tenable Blog

SMBleed (CVE-2020-1206) and SMBLost (CVE-2020-1301) Vulnerabilities Affect Microsoft SMBv3 and SMBv1
SMBleed (CVE-2020-1206) and SMBLost (CVE-2020-1301) Vulnerabilities Affect Microsoft SMBv3 and SMBv1

Published: 2020-06-10

Three months after an out-of-band patch was released for SMBGhost, aka EternalDarkness (CVE-2020-0796), researchers disclosed two new flaws affecting Microsoft’s Server Message Block (SMB) protocol, including working proof-of-concepts.

References

Details

Source: Mitre, NVD

Published: 2020-06-09

Updated: 2024-11-21

Named Vulnerability: SMBleed

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Severity: High

EPSS

EPSS: 0.45276