THREATPORT/VULNERABILITY/CVE-2010-1224
MEDIUM SEVERITY

CVE-2010-1224

Asterisk vulnerability

CVSS
4.3
EPSS
3.5%
EPSS pct
88th
Exploited
No known
main/acl.c in Asterisk Open Source 1.6.0.x before 1.6.0.25, 1.6.1.x before 1.6.1.17, and 1.6.2.x before 1.6.2.5 does not properly enforce remote host access controls when CIDR notation "/0" is used in permit= and deny= configuration rules, which causes an improper arithmetic shift and might allow remote attackers to bypass ACL rules and access services from unauthorized hosts.
Affected vendor
Digium
Affected product
Asterisk
CVSS vector
AV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness type (CWE)
  • CWE-264 — Permissions, Privileges, and Access Controls
Published
2010-04-01

Risk analysis

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

Its EPSS score of 3.5% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2010-1224

  • Confirm whether Digium Asterisk is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2010-1224.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2010-1224

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2010-1224 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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