CVE-2018-1285

Publication date 11 May 2020

Last updated 26 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

Description

Apache log4net versions before 2.0.10 do not disable XML external entities when parsing log4net configuration files. This allows for XXE-based attacks in applications that accept attacker-controlled log4net configuration files.

Status

Package Ubuntu Release Status
log4net 25.10 questing
Not affected
25.04 plucky
Not affected
24.10 oracular
Not affected
24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Not affected
22.10 kinetic Ignored end of life, was needed
22.04 LTS jammy
Vulnerable
21.10 impish Ignored end of life
21.04 hirsute Ignored end of life
20.10 groovy
Fixed 1.2.10+dfsg-7ubuntu0.20.10.1
20.04 LTS focal
Fixed 1.2.10+dfsg-7ubuntu0.20.04.1
19.10 eoan Ignored end of life
18.04 LTS bionic
Fixed 1.2.10+dfsg-7ubuntu0.18.04.1
16.04 LTS xenial
Fixed 1.2.10+dfsg-7ubuntu0.16.04.1
14.04 LTS trusty Not in release

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-4699-1
    • Apache Log4net vulnerability
    • 19 January 2021

Other references