CVE-2023-23549
LOWCVSS 2.7/10EPSS 0.63%
Last modified
CVE-2023-23549 is a low-severity vulnerability rated 2.7/10 on the CVSS scale. 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.. EPSS estimates a 0.63% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Checkmk | Checkmk | 2.0.0 |
| Checkmk | Checkmk | 2.1.0 |
| Checkmk | Checkmk | 2.2.0 |
References
- https://checkmk.com/werk/16219Vendor Advisory
- https://checkmk.com/werk/16219Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-23549?
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.
How severe is CVE-2023-23549?
CVE-2023-23549 has a CVSS score of 2.7/10 (LOW severity). The EPSS model estimates a 0.63% probability of exploitation in the next 30 days.
How do I fix CVE-2023-23549?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2023-23549?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST