CVE-2023-2020 MEDIUM

CVE-2023-2020: Unauthorized scheduling of downtimes via REST API

Vendor Tribe29
Product Checkmk
Weakness CWE-280
Published April 18, 2023
Last update February 5, 2025
View on NVD All CVEs

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

What the vulnerability does

01Description

Insufficient permission checks in the REST API in Tribe29 Checkmk <= 2.1.0p27 and <= 2.2.0b4 (beta) allow unauthorized users to schedule downtimes for any host.

Key dates

02Disclosure timeline

April 18, 2023 CVE published
February 5, 2025 Record updated

Related vulnerabilities

04Related CVE

CVE-2026-44198 Wagtail: Improper permission handling when viewing page history CVE-2026-24096 Insufficient permission validation on multiple REST API Quick Setup endpoints CVE-2020-29031 Insecure Direct Object Reference in GateManager WebUI can cause privilege escalation CVE-2025-8109 GPU DDK - GPU shader shared memory corrupted using ptrace to disrupt GPU operation CVE-2025-62509 FileRise improper ownership/permission validation allowed cross-tenant file operations