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Kaspersky LabKLA12170

HistoryMay 11, 2021 - 12:00 a.m.

KLA12170 RCE vulnerability in Microsoft Open Source Software

2021-05-1100:00:00

Kaspersky Lab

threats.kaspersky.com

6.5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

7.2 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.6 High

AI Score

Confidence

High

0.013 Low

EPSS

Percentile

85.7%

JSON

A remote code execution vulnerability was found in Microsoft Open Source Software. Malicious users can exploit this vulnerability to execute arbitrary code.

Original advisories

CVE-2021-31200

Related products

Yammer-Desktop-App

CVE list

CVE-2021-31200 high

KB list

Solution

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

Impacts

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.