CVE-2023-22348

CVE-2023-22348 is a medium-severity vulnerability in Checkmk with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-285.

Key facts

• Severity: Medium (CVSS 3.x base score 4.3)
• EPSS exploit prediction: 1% (44th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-285
• Affected product: Checkmk
• Published: 2023-05-17
• Last modified: 2026-06-17

Description

Improper Authorization in RestAPI in Checkmk GmbH's Checkmk versions <2.1.0p28 and <2.2.0b8 allows remote authenticated users to read arbitrary host_configs.

Frequently asked questions

What is CVE-2023-22348?

Improper Authorization in RestAPI in Checkmk GmbH's Checkmk versions <2.1.0p28 and <2.2.0b8 allows remote authenticated users to read arbitrary host_configs.

How severe is CVE-2023-22348?

CVE-2023-22348 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-22348 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-22348?

CVE-2023-22348 primarily affects Checkmk. In total, 45 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-22348?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-22348 published?

CVE-2023-22348 was published on 2023-05-17 and last updated on 2026-06-17.

References

• https://checkmk.com/werk/13982

Affected products (45)

• cpe:2.3:a:checkmk:checkmk:2.1.0:-:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:b1:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:b2:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:b3:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:b4:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:b5:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:b6:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:b7:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:b8:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:b9:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:p1:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:p10:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:p11:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:p12:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:p13:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:p14:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:p15:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:p16:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:p17:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:p18:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:p19:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:p2:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:p20:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:p21:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:p22:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:p23:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:p24:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:p25:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:p26:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:p27:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:p3:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:p4:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:p5:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:p6:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:p7:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:p8:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.1.0:p9:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.2.0:b1:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.2.0:b2:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.2.0:b3:*:*:*:*:*:*

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