CVE-2006-4346

CVE-2006-4346 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

Asterisk 1.2.10 supports the use of client-controlled variables to determine filenames in the Record function, which allows remote attackers to (1) execute code via format string specifiers or (2) overwrite files via directory traversals involving unspecified vectors, as demonstrated by the CALLERIDNAME variable.

Frequently asked questions

What is CVE-2006-4346?
Asterisk 1.2.10 supports the use of client-controlled variables to determine filenames in the Record function, which allows remote attackers to (1) execute code via format string specifiers or (2) overwrite files via directory traversals involving unspecified vectors, as demonstrated by the CALLERIDNAME variable.
How severe is CVE-2006-4346?
CVE-2006-4346 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2006-4346 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-4346?
CVE-2006-4346 affects Digium Asterisk. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-4346?
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-2006-4346 published?
CVE-2006-4346 was published on 2006-08-24 and last updated on 2026-06-16.

References

Affected products (1)

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