Flawed TLS Certificate Validation in Icinga V2 Allowing Impersonation
CVE-2024-49369

9.8CRITICAL

Key Information:

Vendor

Icinga

Status
Icinga2
Vendor
CVE Published:
12 November 2024

What is CVE-2024-49369?

A vulnerability in Icinga 2, a monitoring system designed to check network resource availability, allows attackers to exploit flawed TLS certificate validation. This flaw enables impersonation of trusted cluster nodes and API users utilizing TLS client certificates for authentication. Attackers can potentially gain unauthorized access to critical network management functionalities, underscoring the importance of addressing this security concern. The issue has been rectified in the latest versions: 2.14.3, 2.13.10, 2.12.11, and 2.11.12.

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Affected Version(s)

icinga2 >= 2.4.0, < 2.11.12 < 2.4.0, 2.11.12

icinga2 >= 2.12.0, < 2.12.11 < 2.12.0, 2.12.11

icinga2 >= 2.13.0, < 2.13.10 < 2.13.0, 2.13.10

References

https://github.com/Icinga/icinga2/security/advisories/GHS...
x_refsource_CONFIRM
https://github.com/Icinga/icinga2/commit/0419a2c36de408e9...
x_refsource_MISC
https://github.com/Icinga/icinga2/commit/2febc5e18ae0c93d...
x_refsource_MISC

EPSS Score

20% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

JSON
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