How severe is CVE-2021-30757?

CVE-2021-30757 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2021-30757 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-30757?

CVE-2021-30757 affects Apple Imovie. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-30757?

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

When was CVE-2021-30757 published?

CVE-2021-30757 was published on 2021-09-08 and last updated on 2026-06-17.

CVE-2021-30757

CVE-2021-30757 is a medium-severity vulnerability in Apple Imovie with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Apple Imovie
Published: 2021-09-08
Last modified: 2026-06-17

Description

This issue was addressed by enabling hardened runtime. This issue is fixed in iMovie 10.2.4. Entitlements and privacy permissions granted to this app may be used by a malicious app.

Frequently asked questions

What is CVE-2021-30757?: This issue was addressed by enabling hardened runtime. This issue is fixed in iMovie 10.2.4. Entitlements and privacy permissions granted to this app may be used by a malicious app.
How severe is CVE-2021-30757?: CVE-2021-30757 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2021-30757 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-30757?: CVE-2021-30757 affects Apple Imovie. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-30757?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-30757 published?: CVE-2021-30757 was published on 2021-09-08 and last updated on 2026-06-17.

References

https://support.apple.com/en-us/HT212549

Affected products (1)

cpe:2.3:a:apple:imovie:*:*:*:*:*:*:*:*

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