How severe is CVE-2013-0999?

CVE-2013-0999 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2013-0999 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-0999?

CVE-2013-0999 primarily affects Apple Itunes. In total, 127 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-0999?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2013-0999 published?

CVE-2013-0999 was published on 2013-05-20 and last updated on 2026-06-16.

CVE-2013-0999

CVE-2013-0999 is a critical-severity vulnerability in Apple Itunes with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Apple Itunes
Published: 2013-05-20
Last modified: 2026-06-16

Description

WebKit, as used in Apple iTunes before 11.0.3, allows man-in-the-middle attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via vectors related to iTunes Store browsing, a different vulnerability than other WebKit CVEs listed in APPLE-SA-2013-05-16-1.

Frequently asked questions

What is CVE-2013-0999?: WebKit, as used in Apple iTunes before 11.0.3, allows man-in-the-middle attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via vectors related to iTunes Store browsing, a different vulnerability than other WebKit CVEs listed in APPLE-SA-2013-05-16-1.
How severe is CVE-2013-0999?: CVE-2013-0999 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2013-0999 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-0999?: CVE-2013-0999 primarily affects Apple Itunes. In total, 127 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-0999?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2013-0999 published?: CVE-2013-0999 was published on 2013-05-20 and last updated on 2026-06-16.

References

Affected products (127)

cpe:2.3:a:apple:itunes:*:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:4.0.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:4.0.1:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:4.1.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:4.2.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:4.5:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:4.5.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:4.6:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:4.6.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:4.7:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:4.7.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:4.7.1:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:4.7.2:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:4.8.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:4.9.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:5.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:5.0.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:5.0.1:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:6.0.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:6.0.1:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:6.0.2:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:6.0.3:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:6.0.4:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:6.0.5:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.0.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.0.1:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.0.2:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.1.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.1.1:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.2.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.3.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.3.1:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.3.2:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.4:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.4.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.4.1:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.4.2:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.4.3:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.5:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.5.0:*:*:*:*:*:*:*

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