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ubuntuUbuntuUSN-4495-1
HistorySep 15, 2020 - 12:00 a.m.

Apache Log4j vulnerability

2020-09-1500:00:00
ubuntu.com
161

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.9 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.794 High

EPSS

Percentile

98.2%

Releases

  • Ubuntu 18.04 ESM

Packages

  • apache-log4j1.2 - Java-based open-source logging tool

Details

It was discovered that Apache Log4j does not properly deserialize
untrusted data. An attacker could possibly use this issue to remotely
execute arbitrary code. (CVE-2019-17571)

OSVersionArchitecturePackageVersionFilename
Ubuntu18.04noarchliblog4j1.2-java<ย 1.2.17-8+deb10u1build0.18.04.1UNKNOWN
Ubuntu18.04noarchliblog4j1.2-java-doc<ย 1.2.17-8+deb10u1build0.18.04.1UNKNOWN

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.9 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.794 High

EPSS

Percentile

98.2%