Vulnerability · CVE-2025-48057
Icinga 2 is a monitoring system which checks the availability of network resources, notifies users of outages, and generates performance data for reporting.
Published May 27, 2025 · catalog updated May 27, 2025 · Icinga
Check this week
CVE-2025-48057 is not in CISA KEV. FIRST estimates a 44.00% chance of exploitation in the next 30 days. Check whether you run Icinga.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Critical9.3
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 44.00%
- Remediation
- Version ranges on file
- Affected products
- vendor Icinga icinga2 2.14.0, < 2.14.6
Icinga 2 is a monitoring system which checks the availability of network resources, notifies users of outages, and generates performance data for reporting. Prior to versions 2.12.12, 2.13.12, and 2.14.6, the VerifyCertificate() function can be tricked into incorrectly treating certificates as valid. This allows an attacker to send a malicious certificate request that is then treated as a renewal of an already existing certificate, resulting in the attacker obtaining a valid certificate that can be used to impersonate trusted nodes. This only occurs when Icinga 2 is built with OpenSSL older th
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Icinga icinga2 2.14.0, < 2.14.62.14.0, < 2.14.6
How to fix CVE-2025-48057
Recommended remediation
Affected version ranges suggest a fixed boundary. Verify against the vendor advisory for your release.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
CVE-2025-48057 is not in CISA KEV. FIRST estimates a 44.00% chance of exploitation in the next 30 days. Check whether you run Icinga.
Which versions are affected?
Compare what you have installed with Icinga icinga2 2.14.0, < 2.14.6 2.14.0, < 2.14.6. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 44.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
May 27, 2025 · EUVD
Detected
Icinga 2 is a monitoring system which checks the availability of network resources, notifies users of outages, and generates performance data for reporting. Prior to versions 2.12.12, 2.13.12, and 2.14.6, the VerifyCertificate() function can be tricked into incorrectly treating certificates as valid. This allows an attacker to send a malicious certificate request that is then treated as a renewal
May 27, 2025 · EUVD
Updated
Icinga 2 is a monitoring system which checks the availability of network resources, notifies users of outages, and generates performance data for reporting. Prior to versions 2.12.12, 2.13.12, and 2.14.6, the VerifyCertificate() function can be tricked into incorrectly treating certificates as valid. This allows an attacker to send a malicious certificate request that is then treated as a renewal
Sources
- CVE.orgVulnerability recordCVE-2025-48057
Official CVE identifier
cve.org - EUVDVulnerability recordEUVD-2025-28141
Icinga 2 is a monitoring system which checks the availability of network resources, notifies users of outages, and generates performance data for reporting. Prior to versions 2.12.12, 2.13.12, and 2.14.6, the VerifyCertificate() function can be tricked into incorrectly treating c
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog May 27, 2025. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.