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CVE-2023-31209

Command injection via active checks and REST API

HIGH
8.8
CVSS Score
Published: August 10, 2023 at 08:14 AM UTC
Updated: October 24, 2026 at 01:10 PM UTC
1 product affected across 1 vendorCheckmk

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Severity
HIGH8.8
Exploit prediction
EPSS 1%
SSVC
No known exploit

Description

Improper neutralization of active check command arguments in Checkmk < 2.1.0p32, < 2.0.0p38, < 2.2.0p4 leads to arbitrary command execution for authenticated users.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Checkmk· Checkmk
95%
v < 2.0.02.0.02.0.0 b12.0.0 b22.0.0 b32.0.0 b42.0.0 b52.0.0 b62.0.0 b72.0.0 b82.0.0 i12.0.0 p12.0.0 p102.0.0 p112.0.0 p122.0.0 p132.0.0 p142.0.0 p152.0.0 p162.0.0 p172.0.0 p182.0.0 p192.0.0 p22.0.0 p202.0.0 p212.0.0 p222.0.0 p232.0.0 p242.0.0 p252.0.0 p262.0.0 p272.0.0 p282.0.0 p292.0.0 p32.0.0 p302.0.0 p312.0.0 p322.0.0 p332.0.0 p342.0.0 p352.0.0 p362.0.0 p372.0.0 p42.0.0 p52.0.0 p62.0.0 p72.0.0 p82.0.0 p92.1.02.1.0 b12.1.0 b22.1.0 b32.1.0 b42.1.0 b52.1.0 b62.1.0 b72.1.0 b82.1.0 b92.1.0 p12.1.0 p102.1.0 p112.1.0 p122.1.0 p132.1.0 p142.1.0 p152.1.0 p162.1.0 p172.1.0 p182.1.0 p192.1.0 p22.1.0 p202.1.0 p212.1.0 p222.1.0 p232.1.0 p242.1.0 p252.1.0 p262.1.0 p272.1.0 p282.1.0 p292.1.0 p32.1.0 p302.1.0 p312.1.0 p42.1.0 p52.1.0 p62.1.0 p72.1.0 p82.1.0 p92.2.02.2.0 b12.2.0 b22.2.0 b32.2.0 b42.2.0 b52.2.0 b62.2.0 b72.2.0 b82.2.0 i12.2.0 p12.2.0 p22.2.0 p3
Affected range stops below 2.0.0, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.0.0p38, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.1.0p32, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.2.0p4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://checkmk.com/werk/15194

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHCheckmk
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-78CWE-74

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