CVE-2021-30947

MEDIUMNVD 5.55.5

5.5

An access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, iOS 15.2 and iPadOS 15.2, watchOS 8.3. An application may be able to access a user's files.

CVSS v3: 5.5
EG Score: 5.5(low)
EPSS: 52.7%
KEV: Not listed

Published

August 24, 2021

Last Modified

November 21, 2024

References (10)

product-security@applehttps://support.apple.com/en-us/HT212975
product-security@applehttps://support.apple.com/en-us/HT212976
product-security@applehttps://support.apple.com/en-us/HT212978
product-security@applehttps://support.apple.com/en-us/HT212979
product-security@applehttps://support.apple.com/en-us/HT212980
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT212975
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT212976
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT212978
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT212979
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT212980

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:15 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore

Frequently asked(5)

What is CVE-2021-30947?

CVE-2021-30947 is a medium vulnerability published on August 24, 2021. An access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, iOS 15.2 and iPadOS 15.2, watchOS 8.3. An application may be able to access a user's files.

When was CVE-2021-30947 disclosed?

CVE-2021-30947 was first published in the National Vulnerability Database on August 24, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-30947 actively exploited?

CVE-2021-30947 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 52.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-30947?

CVE-2021-30947 has a CVSS v3 base score of 5.5 (NVD). The EG score is currently aggregating — additional source signals are being incorporated as they become available..

How do I remediate CVE-2021-30947?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-30947, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2021-30947

📅 Published

🔄 Last Modified

🔗 References (10)