8.8
CWE
303 670
Advisory Published
Updated

CVE-2023-31211: Disabled automation users could still authenticate

First published: Fri Jan 12 2024(Updated: )

Insufficient authentication flow in Checkmk before 2.2.0p18, 2.1.0p38 and 2.0.0p39 allows attacker to use locked credentials

Credit: security@checkmk.com

Affected SoftwareAffected VersionHow to fix
Checkmk NagVis=2.0.0-b1
Checkmk NagVis=2.0.0-b2
Checkmk NagVis=2.0.0-b3
Checkmk NagVis=2.0.0-b4
Checkmk NagVis=2.0.0-b5
Checkmk NagVis=2.0.0-b6
Checkmk NagVis=2.0.0-b7
Checkmk NagVis=2.0.0-b8
Checkmk NagVis=2.0.0-i1
Checkmk NagVis=2.0.0-p1
Checkmk NagVis=2.0.0-p10
Checkmk NagVis=2.0.0-p11
Checkmk NagVis=2.0.0-p12
Checkmk NagVis=2.0.0-p13
Checkmk NagVis=2.0.0-p14
Checkmk NagVis=2.0.0-p15
Checkmk NagVis=2.0.0-p16
Checkmk NagVis=2.0.0-p17
Checkmk NagVis=2.0.0-p18
Checkmk NagVis=2.0.0-p19
Checkmk NagVis=2.0.0-p2
Checkmk NagVis=2.0.0-p20
Checkmk NagVis=2.0.0-p21
Checkmk NagVis=2.0.0-p22
Checkmk NagVis=2.0.0-p23
Checkmk NagVis=2.0.0-p24
Checkmk NagVis=2.0.0-p25
Checkmk NagVis=2.0.0-p26
Checkmk NagVis=2.0.0-p27
Checkmk NagVis=2.0.0-p28
Checkmk NagVis=2.0.0-p29
Checkmk NagVis=2.0.0-p3
Checkmk NagVis=2.0.0-p30
Checkmk NagVis=2.0.0-p31
Checkmk NagVis=2.0.0-p32
Checkmk NagVis=2.0.0-p33
Checkmk NagVis=2.0.0-p34
Checkmk NagVis=2.0.0-p35
Checkmk NagVis=2.0.0-p36
Checkmk NagVis=2.0.0-p37
Checkmk NagVis=2.0.0-p38
Checkmk NagVis=2.0.0-p4
Checkmk NagVis=2.0.0-p5
Checkmk NagVis=2.0.0-p6
Checkmk NagVis=2.0.0-p7
Checkmk NagVis=2.0.0-p8
Checkmk NagVis=2.0.0-p9
Checkmk NagVis=2.1.0
Checkmk NagVis=2.1.0-b1
Checkmk NagVis=2.1.0-b2
Checkmk NagVis=2.1.0-b3
Checkmk NagVis=2.1.0-b4
Checkmk NagVis=2.1.0-b5
Checkmk NagVis=2.1.0-b6
Checkmk NagVis=2.1.0-b7
Checkmk NagVis=2.1.0-b8
Checkmk NagVis=2.1.0-b9
Checkmk NagVis=2.1.0-p1
Checkmk NagVis=2.1.0-p10
Checkmk NagVis=2.1.0-p11
Checkmk NagVis=2.1.0-p12
Checkmk NagVis=2.1.0-p13
Checkmk NagVis=2.1.0-p14
Checkmk NagVis=2.1.0-p15
Checkmk NagVis=2.1.0-p16
Checkmk NagVis=2.1.0-p17
Checkmk NagVis=2.1.0-p18
Checkmk NagVis=2.1.0-p19
Checkmk NagVis=2.1.0-p2
Checkmk NagVis=2.1.0-p20
Checkmk NagVis=2.1.0-p21
Checkmk NagVis=2.1.0-p22
Checkmk NagVis=2.1.0-p23
Checkmk NagVis=2.1.0-p24
Checkmk NagVis=2.1.0-p25
Checkmk NagVis=2.1.0-p26
Checkmk NagVis=2.1.0-p27
Checkmk NagVis=2.1.0-p28
Checkmk NagVis=2.1.0-p29
Checkmk NagVis=2.1.0-p3
Checkmk NagVis=2.1.0-p30
Checkmk NagVis=2.1.0-p31
Checkmk NagVis=2.1.0-p32
Checkmk NagVis=2.1.0-p33
Checkmk NagVis=2.1.0-p34
Checkmk NagVis=2.1.0-p35
Checkmk NagVis=2.1.0-p36
Checkmk NagVis=2.1.0-p37
Checkmk NagVis=2.1.0-p4
Checkmk NagVis=2.1.0-p5
Checkmk NagVis=2.1.0-p6
Checkmk NagVis=2.1.0-p7
Checkmk NagVis=2.1.0-p8
Checkmk NagVis=2.1.0-p9
Checkmk NagVis=2.2.0
Checkmk NagVis=2.2.0-b1
Checkmk NagVis=2.2.0-b2
Checkmk NagVis=2.2.0-b3
Checkmk NagVis=2.2.0-b4
Checkmk NagVis=2.2.0-b5
Checkmk NagVis=2.2.0-b6
Checkmk NagVis=2.2.0-b7
Checkmk NagVis=2.2.0-b8
Checkmk NagVis=2.2.0-i1
Checkmk NagVis=2.2.0-p1
Checkmk NagVis=2.2.0-p10
Checkmk NagVis=2.2.0-p11
Checkmk NagVis=2.2.0-p12
Checkmk NagVis=2.2.0-p13
Checkmk NagVis=2.2.0-p14
Checkmk NagVis=2.2.0-p15
Checkmk NagVis=2.2.0-p16
Checkmk NagVis=2.2.0-p17
Checkmk NagVis=2.2.0-p2
Checkmk NagVis=2.2.0-p3
Checkmk NagVis=2.2.0-p4
Checkmk NagVis=2.2.0-p5
Checkmk NagVis<=2.0.0

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Frequently Asked Questions

  • What is the severity of CVE-2023-31211?

    CVE-2023-31211 has been rated as critical due to the potential for attackers to exploit locked credentials.

  • How do I fix CVE-2023-31211?

    To fix CVE-2023-31211, upgrade to Checkmk versions 2.2.0p18, 2.1.0p38, or 2.0.0p39 or later.

  • What are the affected versions of Checkmk for CVE-2023-31211?

    CVE-2023-31211 affects Checkmk versions prior to 2.2.0p18, 2.1.0p38, and 2.0.0p39.

  • What kind of attack can be performed using CVE-2023-31211?

    An attacker can exploit CVE-2023-31211 to gain unauthorized access using locked user credentials.

  • Who is affected by CVE-2023-31211?

    Any organizations using vulnerable versions of Checkmk prior to the patched releases are at risk of CVE-2023-31211.

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