CVE-2006-4345

CVE-2006-4345 is a high-severity vulnerability in Digium Asterisk 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

Stack-based buffer overflow in channels/chan_mgcp.c in MGCP in Asterisk 1.0 through 1.2.10 allows remote attackers to execute arbitrary code via a crafted audit endpoint (AUEP) response.

Frequently asked questions

What is CVE-2006-4345?
Stack-based buffer overflow in channels/chan_mgcp.c in MGCP in Asterisk 1.0 through 1.2.10 allows remote attackers to execute arbitrary code via a crafted audit endpoint (AUEP) response.
How severe is CVE-2006-4345?
CVE-2006-4345 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2006-4345 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-4345?
CVE-2006-4345 primarily affects Digium Asterisk. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-4345?
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-2006-4345 published?
CVE-2006-4345 was published on 2006-08-24 and last updated on 2026-06-16.

References

Affected products (20)

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