How severe is CVE-2013-5173?

CVE-2013-5173 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-2013-5173 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-5173?

CVE-2013-5173 primarily affects Apple Mac Os X. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-5173?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-5173 published?

CVE-2013-5173 was published on 2013-10-24 and last updated on 2026-06-16.

CVE-2013-5173

CVE-2013-5173 is a low-severity vulnerability in Apple Mac Os X with a CVSS 2.0 base score of 2.1. 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-310.

Key facts

Severity: Low (CVSS 2.0 base score 2.1)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Apple Mac Os X
Published: 2013-10-24
Last modified: 2026-06-16

Description

The random-number generator in the kernel in Apple Mac OS X before 10.9 provides lengthy exclusive access for processing of large requests, which allows local users to cause a denial of service (temporary generator outage) via an application that requires many random numbers.

Frequently asked questions

What is CVE-2013-5173?: The random-number generator in the kernel in Apple Mac OS X before 10.9 provides lengthy exclusive access for processing of large requests, which allows local users to cause a denial of service (temporary generator outage) via an application that requires many random numbers.
How severe is CVE-2013-5173?: CVE-2013-5173 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2013-5173 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-5173?: CVE-2013-5173 primarily affects Apple Mac Os X. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-5173?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-5173 published?: CVE-2013-5173 was published on 2013-10-24 and last updated on 2026-06-16.

References

http://lists.apple.com/archives/security-announce/2013/Oct/msg00004.html

Affected products (7)

cpe:2.3:o:apple:mac_os_x:*:supplemental_update:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.8.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.8.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.8.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.8.3:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.8.4:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.8.5:*:*:*:*:*:*:*

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