How severe is CVE-2020-9959?

CVE-2020-9959 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-2020-9959 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-9959?

CVE-2020-9959 primarily affects Apple Ipados. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-9959?

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

When was CVE-2020-9959 published?

CVE-2020-9959 was published on 2020-10-16 and last updated on 2026-06-17.

CVE-2020-9959

CVE-2020-9959 is a low-severity vulnerability in Apple Ipados 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-667.

Key facts

Severity: Low (CVSS 3.x base score 2.4)
CVSS v2: 2.1
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-667
Affected product: Apple Ipados
Published: 2020-10-16
Last modified: 2026-06-17

Description

A lock screen issue allowed access to messages on a locked device. This issue was addressed with improved state management. This issue is fixed in iOS 14.0 and iPadOS 14.0. A person with physical access to an iOS device may be able to view notification contents from the lockscreen.

Frequently asked questions

What is CVE-2020-9959?: A lock screen issue allowed access to messages on a locked device. This issue was addressed with improved state management. This issue is fixed in iOS 14.0 and iPadOS 14.0. A person with physical access to an iOS device may be able to view notification contents from the lockscreen.
How severe is CVE-2020-9959?: CVE-2020-9959 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-2020-9959 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-9959?: CVE-2020-9959 primarily affects Apple Ipados. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-9959?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-9959 published?: CVE-2020-9959 was published on 2020-10-16 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*

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