How severe is CVE-2015-5833?

CVE-2015-5833 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2015-5833 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-5833?

CVE-2015-5833 affects Apple Mac Os X. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-5833?

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

When was CVE-2015-5833 published?

CVE-2015-5833 was published on 2015-10-09 and last updated on 2026-06-17.

CVE-2015-5833

CVE-2015-5833 is a high-severity vulnerability in Apple Mac Os X with a CVSS 2.0 base score of 7.2. 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-254.

Key facts

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-254
Affected product: Apple Mac Os X
Published: 2015-10-09
Last modified: 2026-06-17

Description

The Login Window component in Apple OS X before 10.11 does not ensure that the screen is locked at the intended time, which allows physically proximate attackers to obtain access by visiting an unattended workstation.

Frequently asked questions

What is CVE-2015-5833?: The Login Window component in Apple OS X before 10.11 does not ensure that the screen is locked at the intended time, which allows physically proximate attackers to obtain access by visiting an unattended workstation.
How severe is CVE-2015-5833?: CVE-2015-5833 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2015-5833 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-5833?: CVE-2015-5833 affects Apple Mac Os X. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-5833?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2015-5833 published?: CVE-2015-5833 was published on 2015-10-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

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