CVE-2022-24566

CVE-2022-24566 is a medium-severity vulnerability in Checkmk with a CVSS 3.x base score of 5.4. 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-79.

Key facts

• Severity: Medium (CVSS 3.x base score 5.4)
• CVSS v2: 3.5
• EPSS exploit prediction: 1% (43rd percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-79
• Affected product: Checkmk
• Published: 2022-02-24
• Last modified: 2026-06-17

Description

In Checkmk <=2.0.0p19 fixed in 2.0.0p20 and Checkmk <=1.6.0p27 fixed in 1.6.0p28, the title of a Predefined condition is not properly escaped when shown as condition, which can result in Cross Site Scripting (XSS).

Frequently asked questions

What is CVE-2022-24566?

In Checkmk <=2.0.0p19 fixed in 2.0.0p20 and Checkmk <=1.6.0p27 fixed in 1.6.0p28, the title of a Predefined condition is not properly escaped when shown as condition, which can result in Cross Site Scripting (XSS).

How severe is CVE-2022-24566?

CVE-2022-24566 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-24566 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-24566?

CVE-2022-24566 primarily affects Checkmk. In total, 47 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-24566?

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

When was CVE-2022-24566 published?

CVE-2022-24566 was published on 2022-02-24 and last updated on 2026-06-17.

References

• https://checkmk.com/werk/13717

Affected products (47)

• cpe:2.3:a:checkmk:checkmk:1.6.0:-:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:1.6.0:b1:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:1.6.0:b10:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:1.6.0:b12:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:1.6.0:b3:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:1.6.0:b4:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:1.6.0:b5:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:1.6.0:b9:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:1.6.0:p1:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:1.6.0:p10:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:1.6.0:p11:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:1.6.0:p12:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:1.6.0:p13:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:1.6.0:p14:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:1.6.0:p15:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:1.6.0:p16:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:1.6.0:p19:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:1.6.0:p2:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:1.6.0:p20:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:1.6.0:p21:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:1.6.0:p22:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:1.6.0:p23:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:1.6.0:p24:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:1.6.0:p25:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:1.6.0:p26:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:1.6.0:p27:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.0.0:-:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.0.0:b1:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.0.0:b2:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.0.0:b3:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.0.0:b4:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.0.0:b5:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.0.0:b6:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.0.0:b7:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.0.0:b8:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.0.0:i1:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.0.0:p1:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.0.0:p10:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.0.0:p11:*:*:*:*:*:*
• cpe:2.3:a:checkmk:checkmk:2.0.0:p12:*:*:*:*:*:*

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