THREATPORT/VULNERABILITY/CVE-2007-1306
HIGH SEVERITY

CVE-2007-1306

Asterisk vulnerability

CVSS
7.8
EPSS
20.3%
EPSS pct
97th
Exploited
No known
Asterisk 1.4 before 1.4.1 and 1.2 before 1.2.16 allows remote attackers to cause a denial of service (crash) by sending a Session Initiation Protocol (SIP) packet without a URI and SIP-version header, which results in a NULL pointer dereference.
Affected vendor
Digium
Affected product
Asterisk
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Published
2007-03-07

Risk analysis

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

Its EPSS score of 20.3% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2007-1306

  • Confirm whether Digium Asterisk is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2007-1306.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2007-1306

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2007-1306 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2007-1306?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2007-1306.

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