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kasperskyKaspersky LabKLA12184
HistoryMay 06, 2021 - 12:00 a.m.

KLA12184 Multiple vulnerabilities in Opera

2021-05-0600:00:00
Kaspersky Lab
threats.kaspersky.com
25

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

AI Score

Confidence

Low

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

0.016 Low

EPSS

Percentile

86.9%

Detect date:

05/06/2021

Severity:

Warning

Description:

Multiple vulnerabilities were found in Opera. Malicious users can exploit these vulnerabilities to bypass security restrictions, cause denial of service, spoof user interface.

Affected products:

Opera earlier than 76.0.4017.107

Solution:

Update to the latest version
Download Opera

Original advisories:

Changelog for Opera 76
Stable Channel Update for Desktop

Impacts:

DoS

Related products:

Opera

CVE-IDS:

CVE-2021-212278.8Critical
CVE-2021-212284.3Warning
CVE-2021-212328.8Critical
CVE-2021-212308.8Critical
CVE-2021-212338.8Critical
CVE-2021-212318.8Critical
CVE-2021-212296.5High

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

AI Score

Confidence

Low

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

0.016 Low

EPSS

Percentile

86.9%