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kasperskyKaspersky LabKLA12333
HistoryOct 29, 2021 - 12:00 a.m.

KLA12333 Multiple vulnerabilities in Microsoft Browser

2021-10-2900:00:00
Kaspersky Lab
threats.kaspersky.com
24

9.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9 High

AI Score

Confidence

High

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

0.018 Low

EPSS

Percentile

87.7%

Detect date:

10/29/2021

Severity:

Warning

Description:

Multiple vulnerabilities were found in Microsoft Browser. Malicious users can exploit these vulnerabilities to bypass security restrictions, execute arbitrary code, cause denial of service.

Exploitation:

Public exploits exist for this vulnerability.

Affected products:

Microsoft Edge (Chromium-based)

Solution:

Install necessary updates from the Settings and more menu, that are listed in your About Microsoft Edge page (Microsoft Edge About page usually can be accessed from the Help and feedback option)
Microsoft Edge update settings

Original advisories:

CVE-2021-37999
CVE-2021-37997
CVE-2021-38002
CVE-2021-38003
CVE-2021-37998
CVE-2021-38001
CVE-2021-38000

Impacts:

ACE

Related products:

Microsoft Edge

CVE-IDS:

CVE-2021-379996.1High
CVE-2021-380038.8Critical
CVE-2021-380006.1High
CVE-2021-380029.6Critical
CVE-2021-379978.8Critical
CVE-2021-379988.8Critical
CVE-2021-380018.8Critical

Microsoft official advisories:

References

9.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9 High

AI Score

Confidence

High

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

0.018 Low

EPSS

Percentile

87.7%