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mscveMicrosoftMS:CVE-2020-1292
HistoryJun 09, 2020 - 7:00 a.m.

OpenSSH for Windows Elevation of Privilege Vulnerability

2020-06-0907:00:00
Microsoft
msrc.microsoft.com
41

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

43.0%

An elevation of privilege vulnerability exists in OpenSSH for Windows when it does not properly restrict access to configuration settings. An attacker who successfully exploited this vulnerability could replace the shell with a malicious binary.

To exploit this vulnerability, an authenticated attacker would need to modify the OpenSSH for Windows configuration on a vulnerable system. The attacker would then need to convince a user to connect to the vulnerable OpenSSH for Windows server.

The update addresses the vulnerability by restricting access to OpenSSH for Windows configuration settings.

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

43.0%