How severe is CVE-2023-22309?

CVE-2023-22309 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-22309 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-22309?

CVE-2023-22309 affects Tribe29 Checkmk Appliance Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-22309?

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

When was CVE-2023-22309 published?

CVE-2023-22309 was published on 2023-04-20 and last updated on 2026-06-17.

CVE-2023-22309

CVE-2023-22309 is a medium-severity vulnerability in Tribe29 Checkmk Appliance Firmware with a CVSS 3.x base score of 6.1. 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 6.1)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Tribe29 Checkmk Appliance Firmware
Published: 2023-04-20
Last modified: 2026-06-17

Description

Reflective Cross-Site-Scripting in Webconf in Tribe29 Checkmk Appliance before 1.6.4.

Frequently asked questions

What is CVE-2023-22309?: Reflective Cross-Site-Scripting in Webconf in Tribe29 Checkmk Appliance before 1.6.4.
How severe is CVE-2023-22309?: CVE-2023-22309 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-22309 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-22309?: CVE-2023-22309 affects Tribe29 Checkmk Appliance Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-22309?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-22309 published?: CVE-2023-22309 was published on 2023-04-20 and last updated on 2026-06-17.

References

https://checkmk.com/werk/9523

Affected products (1)

cpe:2.3:o:tribe29:checkmk_appliance_firmware:*:*:*:*:*:*:*:*

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