CVE-2023-23549— DoS via long hostnames
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I. Basic Information for CVE-2023-23549
Vulnerability Information
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Vulnerability Title
DoS via long hostnames
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper Input Validation in Checkmk <2.2.0p15, <2.1.0p37, <=2.0.0p39 allows priviledged attackers to cause partial denial of service of the UI via too long hostnames.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1284
Source: NVD (National Vulnerability Database)
Vulnerability Title
Checkmk 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Checkmk是一个编辑器。 Checkmk存在安全漏洞，该漏洞源于存在不正确输入验证，允许特权攻击者通过太长的主机名导致UI部分拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Checkmk GmbH | Checkmk | 2.2.0 ~ 2.2.0p15 | - |
II. Public POCs for CVE-2023-23549
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same product: Checkmk
- CVE-2026-33457
Potential livestatus injection in prediction graph page - CVE-2026-33456
Potential livestatus injection in notification test - CVE-2026-33455
Livestatus injection in monitoring quicksearch - CVE-2025-39666
omd: Local privilege escalation when executing omd commands - CVE-2026-3466
Cross-site scripting in dashlet title
Same vendor: Checkmk GmbH
- CVE-2026-33457
Potential livestatus injection in prediction graph page - CVE-2026-33456
Potential livestatus injection in notification test - CVE-2026-33455
Livestatus injection in monitoring quicksearch - CVE-2025-39666
omd: Local privilege escalation when executing omd commands - CVE-2026-3466
Cross-site scripting in dashlet title
Same weakness: CWE-1284
- CVE-2026-25863
Conditional Fields for Contact Form 7 < 2.7.3 DoS via Uncont - CVE-2025-14688
IBM® Db2® is vulnerable to a denial of service when fetching - CVE-2026-6915
Flaw in the updateUser Command May Allow Unauthorized Config - CVE-2026-1352
IBM® Db2® is vulnerable to a trap or return SQLCODE -901 whe - CVE-2026-6839
ONE 安全漏洞
V. Comments for CVE-2023-23549
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