CVE-2021-30850

MEDIUMNVD 5.55.5—

5.5

An access issue was addressed with improved access restrictions. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6, tvOS 15. A user may gain access to protected parts of the file system.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 44.9%
KEV: Not listed

Published

October 19, 2021

Last Modified

November 21, 2024

References (8)

product-security@applehttp://seclists.org/fulldisclosure/2021/Oct/63
product-security@applehttps://support.apple.com/en-us/HT212804
product-security@applehttps://support.apple.com/en-us/HT212805
product-security@applehttps://support.apple.com/en-us/HT212815
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2021/Oct/63
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT212804
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT212805
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT212815

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-668Exposure of Resource to Wrong Sphere

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-2021-30850?

CVE-2021-30850 is a medium vulnerability published on October 19, 2021. An access issue was addressed with improved access restrictions. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6, tvOS 15. A user may gain access to protected parts of the file system.

When was CVE-2021-30850 disclosed?

CVE-2021-30850 was first published in the National Vulnerability Database on October 19, 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-2021-30850 actively exploited?

CVE-2021-30850 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 44.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-30850?

CVE-2021-30850 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2021-30850?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-30850, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2021-30850

Explore →

Is Your Infrastructure Affected by CVE-2021-30850?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2021-30850

📅 Published

🔄 Last Modified

🔗 References (8)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-30850?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (8)

Frequently asked(5)

Related CVEs(same CWE)