THREATPORT/VULNERABILITY/CVE-2007-0021
HIGH SEVERITY

CVE-2007-0021

Ichat vulnerability

CVSS
7.5
EPSS
23.0%
EPSS pct
98th
Exploited
No known
Format string vulnerability in Apple iChat 3.1.6 allows remote attackers to cause a denial of service (null pointer dereference and application crash) and possibly execute arbitrary code via format string specifiers in an aim:// URI.
Affected vendor
Apple
Affected product
Ichat
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Published
2007-01-23

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 23.0% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2007-0021

  • Confirm whether Apple Ichat is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2007-0021.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2007-0021

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2007-0021 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

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