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CVE-2021-44228

Public on 2021-12-10
Modified on 2023-01-18
Description

A flaw was found in the Java logging library Apache Log4j 2 in versions from 2.0-beta9 and before and including 2.14.1. This could allow a remote attacker to execute code on the server if the system logs an attacker-controlled string value with the attacker's JNDI LDAP server lookup.

Severity
Critical
See what this means
CVSS v3 Base Score
9.8
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Core aws-kinesis-agent 2021-12-16 00:11 ALAS2-2021-1730
Amazon Linux 1 java-1.6.0-openjdk 2021-12-17 17:39 ALAS-2021-1553
Amazon Linux 1 java-1.7.0-openjdk 2021-12-17 17:39 ALAS-2021-1553
Amazon Linux 2 - Core java-1.7.0-openjdk 2021-12-17 18:12 ALAS2-2021-1731
Amazon Linux 2 - Corretto8 Extra java-1.8.0-amazon-corretto 2021-12-17 18:31 ALAS2CORRETTO8-2021-001
Amazon Linux 1 java-1.8.0-openjdk 2021-12-17 17:39 ALAS-2021-1553
Amazon Linux 2 - Core java-1.8.0-openjdk 2021-12-17 18:12 ALAS2-2021-1731
Amazon Linux 2 - Core java-11-amazon-corretto 2021-12-17 18:12 ALAS2-2021-1731
Amazon Linux 2 - Java-openjdk11 Extra java-11-openjdk 2021-12-17 18:40 ALAS2JAVA-OPENJDK11-2021-001
Amazon Linux 2 - Core java-17-amazon-corretto 2021-12-17 18:12 ALAS2-2021-1731

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv3 10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
NVD CVSSv2 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C