CVE-2006-2489

CVE-2006-2489 is a high-severity vulnerability in Nagios with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Integer overflow in CGI scripts in Nagios 1.x before 1.4.1 and 2.x before 2.3.1 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a content length (Content-Length) HTTP header. NOTE: this is a different vulnerability than CVE-2006-2162.

Frequently asked questions

What is CVE-2006-2489?
Integer overflow in CGI scripts in Nagios 1.x before 1.4.1 and 2.x before 2.3.1 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a content length (Content-Length) HTTP header. NOTE: this is a different vulnerability than CVE-2006-2162.
How severe is CVE-2006-2489?
CVE-2006-2489 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2006-2489 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-2489?
CVE-2006-2489 primarily affects Nagios. In total, 23 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-2489?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2006-2489 published?
CVE-2006-2489 was published on 2006-05-19 and last updated on 2026-06-16.

References

Affected products (23)

More vulnerabilities in Nagios

All CVEs affecting Nagios →