How severe is CVE-2019-8548?

CVE-2019-8548 has a CVSS 3.x base score of 2.4, rated low severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2019-8548 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-8548?

CVE-2019-8548 affects Apple Watchos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-8548?

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

When was CVE-2019-8548 published?

CVE-2019-8548 was published on 2019-12-18 and last updated on 2026-06-17.

CVE-2019-8548

CVE-2019-8548 is a low-severity vulnerability in Apple Watchos with a CVSS 3.x base score of 2.4. 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-459.

Key facts

Severity: Low (CVSS 3.x base score 2.4)
CVSS v2: 2.1
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-459
Affected product: Apple Watchos
Published: 2019-12-18
Last modified: 2026-06-17

Description

An issue existed where partially entered passcodes may not clear when the device went to sleep. This issue was addressed by clearing the passcode when a locked device sleeps. This issue is fixed in watchOS 5.2. A partially entered passcode may not clear when the device goes to sleep.

Frequently asked questions

What is CVE-2019-8548?: An issue existed where partially entered passcodes may not clear when the device went to sleep. This issue was addressed by clearing the passcode when a locked device sleeps. This issue is fixed in watchOS 5.2. A partially entered passcode may not clear when the device goes to sleep.
How severe is CVE-2019-8548?: CVE-2019-8548 has a CVSS 3.x base score of 2.4, rated low severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2019-8548 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-8548?: CVE-2019-8548 affects Apple Watchos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-8548?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-8548 published?: CVE-2019-8548 was published on 2019-12-18 and last updated on 2026-06-17.

References

https://support.apple.com/HT209602

Affected products (1)

cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

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