THREATPORT/VULNERABILITY/CVE-2009-0153
MEDIUM SEVERITY

CVE-2009-0153

Mac Os X vulnerability

CVSS
4.3
EPSS
3.7%
EPSS pct
89th
Exploited
No known
International Components for Unicode (ICU) 4.0, 3.6, and other 3.x versions, as used in Apple Mac OS X 10.5 before 10.5.7, iPhone OS 1.0 through 2.2.1, iPhone OS for iPod touch 1.1 through 2.2.1, Fedora 9 and 10, and possibly other operating systems, does not properly handle invalid byte sequences during Unicode conversion, which might allow remote attackers to conduct cross-site scripting (XSS) attacks.
Affected vendor
Apple
Affected product
Mac Os X
CVSS vector
AV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness type (CWE)
  • CWE-79 — Cross-Site Scripting (XSS)
Published
2009-05-13

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 3.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2009-0153

  • Confirm whether Apple Mac Os X is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2009-0153.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2009-0153

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2009-0153 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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