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CVE-2024-28826

Unrestricted upload and download paths in check_sftp

HIGH
8.1
CVSS Score
Published: May 29, 2024 at 10:00 AM UTC
Updated: June 17, 2026 at 07:21 AM UTC
1 product affected across 1 vendorCheckmk

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Severity
HIGH8.1
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

Improper restriction of local upload and download paths in check_sftp in Checkmk before 2.3.0p4, 2.2.0p27, 2.1.0p44, and in Checkmk 2.0.0 (EOL) allows attackers with sufficient permissions to configure the check to read and write local files on the Checkmk site server.

Affected

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

Checkmk· Checkmk
95%
v ≤ 2.0.02.0.0 ≤ v ≤ 2.0.0p392.0.0 ≤ v < 2.0.0p392.1.0 ≤ v < 2.1.0p442.2.0 ≤ v < 2.2.0p272.3.0 ≤ v < 2.3.0p42.0.02.1.02.1.0 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 p322.1.0 p332.1.0 p342.1.0 p352.1.0 p362.1.0 p372.1.0 p382.1.0 p392.1.0 p42.1.0 p402.1.0 p412.1.0 p422.1.0 p432.1.0 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 p102.2.0 p112.2.0 p122.2.0 p132.2.0 p142.2.0 p152.2.0 p162.2.0 p172.2.0 p182.2.0 p192.2.0 p22.2.0 p202.2.0 p212.2.0 p222.2.0 p232.2.0 p242.2.0 p252.2.0 p262.2.0 p32.2.0 p42.2.0 p52.2.0 p62.2.0 p72.2.0 p82.2.0 p92.3.02.3.0 b12.3.0 b22.3.0 b32.3.0 b42.3.0 b52.3.0 b62.3.0 p12.3.0 p22.3.0 p3
Affected range stops below 2.0.0p39, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.1.0p44, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.2.0p27, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.3.0p4, 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/15200

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

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

CVSS

8.1HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-73CWE-610

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