Lucene search

K
kasperskyKaspersky LabKLA12406
HistoryDec 28, 2021 - 12:00 a.m.

KLA12406 RCE vulnerability in Apache Log4j

2021-12-2800:00:00
Kaspersky Lab
threats.kaspersky.com
10

8.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:S/C:C/I:C/A:C

6.6 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.3 High

AI Score

Confidence

High

0.022 Low

EPSS

Percentile

89.6%

Remote code execution vulnerability was found in Apache Log4j. Malicious users can exploit this vulnerability to execute arbitrary code.

Original advisories

Fixed in Log4j 2.17.1 (Java 8), 2.12.4 (Java 7) and 2.3.2 (Java 6)

Related products

Apache-Log4j

CVE list

CVE-2021-44832 unknown

Solution

Update to the latest version

Impacts

  • ACE

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

Affected Products

  • Apache Log4j 2.0-beta9 before 2.3.2, 2.4.0 before 2.12.4, 2.13.0 before 2.17.1

8.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:S/C:C/I:C/A:C

6.6 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.3 High

AI Score

Confidence

High

0.022 Low

EPSS

Percentile

89.6%