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ubuntuUbuntuUSN-5192-1
HistoryDec 14, 2021 - 12:00 a.m.

Apache Log4j 2 vulnerability

2021-12-1400:00:00
ubuntu.com
83

10 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

10 High

AI Score

Confidence

High

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.976 High

EPSS

Percentile

100.0%

Releases

  • Ubuntu 21.10
  • Ubuntu 21.04
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM

Packages

  • apache-log4j2 - Apache Log4j - Logging Framework for Java

Details

Chen Zhaojun discovered that Apache Log4j 2 allows remote attackers to run
programs via a special crafted input. An attacker could use this vulnerability
to cause a denial of service or possibly execute arbitrary code.
Please see the following link for more information:
<https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/Log4Shell&gt;

OSVersionArchitecturePackageVersionFilename
Ubuntu21.10noarchliblog4j2-java< 2.15.0-0.21.10.1UNKNOWN
Ubuntu21.04noarchliblog4j2-java< 2.15.0-0.21.04.1UNKNOWN
Ubuntu20.04noarchliblog4j2-java< 2.15.0-0.20.04.1UNKNOWN
Ubuntu20.04noarchliblog4j2-java-doc< 2.15.0-0.20.04.1UNKNOWN
Ubuntu18.04noarchliblog4j2-java< 2.10.0-2ubuntu0.1UNKNOWN
Ubuntu18.04noarchliblog4j2-java-doc< 2.10.0-2ubuntu0.1UNKNOWN

10 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

10 High

AI Score

Confidence

High

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.976 High

EPSS

Percentile

100.0%