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kasperskyKaspersky LabKLA20200
HistoryDec 15, 2022 - 12:00 a.m.

KLA20200 DoS vulnerability in Opera

2022-12-1500:00:00
Kaspersky Lab
threats.kaspersky.com
23
opera
type confusion
dos
vulnerability
exploitation
kaspersky
cve-2022-4262
update

CVSS3

8.8

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

AI Score

8.9

Confidence

High

EPSS

0.004

Percentile

73.8%

Type confusion vulnerability was found in Opera. Malicious users can exploit this vulnerability to cause denial of service.

Original advisories

Opera 94 Stable

Exploitation

Public exploits exist for this vulnerability.

Related products

Opera

CVE list

CVE-2022-4262 critical

Solution

Update to the latest version

Download Opera

Impacts

  • DoS

Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.

Affected Products

  • Opera earlier than 94.0.4606.26

CVSS3

8.8

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

AI Score

8.9

Confidence

High

EPSS

0.004

Percentile

73.8%