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ubuntuUbuntuUSN-4699-1
HistoryJan 19, 2021 - 12:00 a.m.

Apache Log4net vulnerability

2021-01-1900:00:00
ubuntu.com
256

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

7.7 High

AI Score

Confidence

Low

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

0.009 Low

EPSS

Percentile

82.6%

Releases

  • Ubuntu 20.10
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM
  • Ubuntu 16.04 ESM

Packages

  • log4net - Highly configurable logging API for the CLI log4net

Details

It was discovered that Apache Log4net incorrectly handled certain configuration files.
An attacker could possibly use this issue to expose sensitive information.

OSVersionArchitecturePackageVersionFilename
Ubuntu20.10noarchliblog4net1.2-cil<ย 1.2.10+dfsg-7ubuntu0.20.10.1UNKNOWN
Ubuntu20.10noarchliblog4net-cil-dev<ย 1.2.10+dfsg-7ubuntu0.20.10.1UNKNOWN
Ubuntu20.04noarchliblog4net1.2-cil<ย 1.2.10+dfsg-7ubuntu0.20.04.1UNKNOWN
Ubuntu20.04noarchliblog4net-cil-dev<ย 1.2.10+dfsg-7ubuntu0.20.04.1UNKNOWN
Ubuntu18.04noarchliblog4net1.2-cil<ย 1.2.10+dfsg-7ubuntu0.18.04.1UNKNOWN
Ubuntu18.04noarchliblog4net-cil-dev<ย 1.2.10+dfsg-7ubuntu0.18.04.1UNKNOWN
Ubuntu16.04noarchliblog4net1.2-cil<ย 1.2.10+dfsg-7ubuntu0.16.04.1UNKNOWN
Ubuntu16.04noarchliblog4net-cil-dev<ย 1.2.10+dfsg-7ubuntu0.16.04.1UNKNOWN

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

7.7 High

AI Score

Confidence

Low

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

0.009 Low

EPSS

Percentile

82.6%