CVE-2006-4346

Asterisk vulnerability

CVSS

7.5

EPSS

6.6%

EPSS pct

93th

Exploited

No known

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.

Affected vendor

Digium

Affected product

Asterisk

CVSS vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Published

2006-08-24

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity, partial impact to availability.

Its EPSS score of 6.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 93% of all scored CVEs.

Check your external exposure to CVE-2006-4346

Confirm whether Digium Asterisk is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2006-4346.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2006-4346

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2006-4346 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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