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
9.1 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
0.05 Low
EPSS
Percentile
92.7%
12/14/2021
High
Multiple vulnerabilities were found in Opera. Malicious users can exploit these vulnerabilities to cause denial of service, execute arbitrary code, inject malicious code, spoof user interface, bypass security restrictions.
Opera earlier than 82.0.4227.33
Update to the latest version
Download Opera
Changelog for Opera 82
Stable Channel Update for Desktop
ACE
CVE-2021-40638.8Critical
CVE-2021-40528.8Critical
CVE-2021-40558.8Critical
CVE-2021-40648.8Critical
CVE-2021-40538.8Critical
CVE-2021-40596.5High
CVE-2021-40578.8Critical
CVE-2021-40618.8Critical
CVE-2021-40686.5High
CVE-2021-40668.8Critical
CVE-2021-40588.8Critical
CVE-2021-40546.5High
CVE-2021-40678.8Critical
CVE-2021-40628.8Critical
CVE-2021-40568.8Critical
CVE-2021-40658.8Critical
CVE-2021-40798.8Critical
CVE-2021-40788.8Critical
blogs.opera.com/desktop/changelog-for-82/#b4227.33
chromereleases.googleblog.com/2021/12/stable-channel-update-for-desktop.html
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4052
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4053
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4054
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4055
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4056
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4057
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4058
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4059
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4061
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4062
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4063
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4064
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4065
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4066
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4067
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4068
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4078
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4079
statistics.securelist.com/vulnerability-scan/month
threats.kaspersky.com/en/product/Opera/
www.opera.com
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
9.1 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
0.05 Low
EPSS
Percentile
92.7%