Low severity · published Nov 15, 2023
CVE-2023-23549
DoS via long hostnames
2.7
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CH
Checkmk · Checkmk GmbH
2.2.0 before 2.2.0p15; 2.1.0 before 2.1.0p37; 2.0.0 through 2.0.0p39 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-23549
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-23549
Vendor Advisory
https://checkmk.com/werk/16219
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