CVE-2007-3762

Asterisk vulnerability

CVSS

9.3

EPSS

5.5%

EPSS pct

92th

Exploited

No known

Stack-based buffer overflow in the IAX2 channel driver (chan_iax2) in Asterisk before 1.2.22 and 1.4.x before 1.4.8, Business Edition before B.2.2.1, AsteriskNOW before beta7, Appliance Developer Kit before 0.5.0, and s800i before 1.0.2 allows remote attackers to execute arbitrary code by sending a long (1) voice or (2) video RTP frame.

Affected vendor

Asterisk

Affected product

Asterisk

CVSS vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Published

2007-07-18

Risk analysis

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

Its EPSS score of 5.5% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2007-3762

Confirm whether Asterisk Asterisk is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2007-3762.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2007-3762

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2007-3762 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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