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kasperskyKaspersky LabKLA12145
HistoryApr 15, 2021 - 12:00 a.m.

KLA12145 Multiple vulnerabilities in Microsoft Browser

2021-04-1500:00:00
Kaspersky Lab
threats.kaspersky.com
27

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

8.4 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

0.492 Medium

EPSS

Percentile

97.5%

Detect date:

04/15/2021

Severity:

Warning

Description:

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

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-2021-21203
CVE-2021-21212
CVE-2021-21217
CVE-2021-21213
CVE-2021-21204
CVE-2021-21214
CVE-2021-21211
CVE-2021-21201
CVE-2021-21210
CVE-2021-21219
CVE-2021-21215
CVE-2021-21202
CVE-2021-21218
CVE-2021-21216
CVE-2021-21209
CVE-2021-21205
CVE-2021-21221
CVE-2021-21207
CVE-2021-21208

Impacts:

ACE

Related products:

Microsoft Edge

CVE-IDS:

CVE-2021-212166.5High
CVE-2021-212216.5High
CVE-2021-212019.6Critical
CVE-2021-212028.6Critical
CVE-2021-212096.5High
CVE-2021-212058.1Critical
CVE-2021-212138.8Critical
CVE-2021-212048.8Critical
CVE-2021-212106.5High
CVE-2021-212195.5High
CVE-2021-212038.8Critical
CVE-2021-212126.5High
CVE-2021-212116.5High
CVE-2021-212078.6Critical
CVE-2021-212156.5High
CVE-2021-212185.5High
CVE-2021-212148.8Critical
CVE-2021-212175.5High
CVE-2021-212086.5High

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

8.4 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

0.492 Medium

EPSS

Percentile

97.5%