CVE-2007-4205

CVE-2007-4205 is a high-severity vulnerability in Linux-ha Heartbeat with a CVSS 2.0 base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

XHA (Linux-HA) on the BlueCat Networks Adonis DNS/DHCP Appliance 5.0.2.8 allows remote attackers to cause a denial of service (heartbeat control process crash) via a UDP packet to port 694. NOTE: this may be the same as CVE-2006-3121.

Frequently asked questions

What is CVE-2007-4205?
XHA (Linux-HA) on the BlueCat Networks Adonis DNS/DHCP Appliance 5.0.2.8 allows remote attackers to cause a denial of service (heartbeat control process crash) via a UDP packet to port 694. NOTE: this may be the same as CVE-2006-3121.
How severe is CVE-2007-4205?
CVE-2007-4205 has a CVSS 2.0 base score of 7.1, rated high severity.
Is CVE-2007-4205 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-4205?
CVE-2007-4205 affects Linux-ha Heartbeat. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-4205?
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-2007-4205 published?
CVE-2007-4205 was published on 2007-08-08 and last updated on 2026-06-16.

References

Affected products (1)

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