CVE-2021-45046

apache-log4j2: apache-log4j2 - security update

CVE-2021-45046 is fixed in 2 products on 1 platform, first by liblog4j2-java 2.16.0-0.20.04.1, released December 14, 2021. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on May 1, 2023, with known ransomware use. Patch Radar priority: Patch now.

Patch nowCISA KEVKnown ransomware use

CVSS

9.0

critical

Exploitation

Exploited

Listed by CISA

CISA KEV

May 1, 2023

Federal due date May 22, 2023. Known ransomware use

EPSS

0.9998

99th percentile

apache-log4j2 - security update

Where it's fixed

Product	Fixed in	Fix	Released
Linux
apache-log4j2 · Debian 11.6 (bullseye)	2.16.0-1~deb11u1	DSA-5022-1	Dec 16, 2021
apache-log4j2 · Debian 12.15 (bookworm)	2.16.0-1	DEBIAN-CVE-2021-45046	Dec 14, 2021
apache-log4j2 · Debian 13.5 (trixie)	2.16.0-1	DEBIAN-CVE-2021-45046	Dec 14, 2021
apache-log4j2 · Debian 14	2.16.0-1	DEBIAN-CVE-2021-45046	Dec 14, 2021
liblog4j2-java · Ubuntu 20.04 LTS (focal)	2.16.0-0.20.04.1	liblog4j2-java 2.16.0-0.20.04.1	Dec 14, 2021

Details

Published
December 14, 2021
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CISA required action
Apply updates per vendor instructions.

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