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kasperskyKaspersky LabKLA12295
HistorySep 21, 2021 - 12:00 a.m.

KLA12295 Multiple vulnerabilities in Opera

2021-09-2100:00:00
Kaspersky Lab
threats.kaspersky.com
34

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

8.7 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

0.664 Medium

EPSS

Percentile

97.9%

JSON

Detect date:

09/21/2021

Severity:

High

Description:

Multiple vulnerabilities were found in Opera. Malicious users can exploit these vulnerabilities to cause denial of service, execute arbitrary code, obtain sensitive information.

Exploitation:

Public exploits exist for this vulnerability.

Affected products:

Opera earlier than 79.0.4143.50

Solution:

Update to the latest version
Download Opera

Original advisories:

Changelog for Opera 79
Stable Channel Update for Desktop

Impacts:

ACE

Related products:

Opera

CVE-IDS:

CVE-2021-306288.8Critical
CVE-2021-306339.6Critical
CVE-2021-306304.3Warning
CVE-2021-306328.8Critical
CVE-2021-306298.8Critical
CVE-2021-306278.8Critical
CVE-2021-306268.8Critical
CVE-2021-306258.8Critical
CVE-2021-306315.0Warning

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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

8.7 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

0.664 Medium

EPSS

Percentile

97.9%

JSON
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