How severe is CVE-2023-44400?

CVE-2023-44400 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-44400 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-44400?

CVE-2023-44400 affects Uptime.kuma Uptime Kuma. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-44400?

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

When was CVE-2023-44400 published?

CVE-2023-44400 was published on 2023-10-09 and last updated on 2026-06-17.

CVE-2023-44400

CVE-2023-44400 is a medium-severity vulnerability in Uptime.kuma Uptime Kuma with a CVSS 3.x base score of 6.7. 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-384.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-384
Affected product: Uptime.kuma Uptime Kuma
Published: 2023-10-09
Last modified: 2026-06-17

Description

Uptime Kuma is a self-hosted monitoring tool. Prior to version 1.23.3, attackers with access to a user's device can gain persistent account access. This is caused by missing verification of Session Tokens after password changes and/or elapsed inactivity periods. Version 1.23.3 has a patch for the issue.

Frequently asked questions

What is CVE-2023-44400?: Uptime Kuma is a self-hosted monitoring tool. Prior to version 1.23.3, attackers with access to a user's device can gain persistent account access. This is caused by missing verification of Session Tokens after password changes and/or elapsed inactivity periods. Version 1.23.3 has a patch for the issue.
How severe is CVE-2023-44400?: CVE-2023-44400 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-44400 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-44400?: CVE-2023-44400 affects Uptime.kuma Uptime Kuma. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-44400?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-44400 published?: CVE-2023-44400 was published on 2023-10-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:uptime.kuma:uptime_kuma:*:*:*:*:*:*:*:*

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