CVE-2020-9963

MEDIUMNVD 5.55.5

5.5

The issue was addressed with improved handling of icon caches. This issue is fixed in macOS Big Sur 11.0.1, iOS 14.0 and iPadOS 14.0. A malicious app may be able to determine the existence of files on the computer.

CVSS v3: 5.5
EG Score: 5.5(low)
EPSS: 55.8%
KEV: Not listed

Published

December 8, 2020

Last Modified

November 21, 2024

References (6)

product-security@applehttp://seclists.org/fulldisclosure/2020/Dec/32
product-security@applehttps://support.apple.com/en-us/HT211850
product-security@applehttps://support.apple.com/en-us/HT211931
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2020/Dec/32
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT211850
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT211931

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 06:08 UTCEPSS rescore
2026-06-05 06:08 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
2026-06-01 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
2026-05-31 00:15 UTCEPSS rescore
2026-05-29 13:42 UTCEPSS rescore

Frequently asked(5)

What is CVE-2020-9963?

CVE-2020-9963 is a medium vulnerability published on December 8, 2020. The issue was addressed with improved handling of icon caches. This issue is fixed in macOS Big Sur 11.0.1, iOS 14.0 and iPadOS 14.0. A malicious app may be able to determine the existence of files on the computer.

When was CVE-2020-9963 disclosed?

CVE-2020-9963 was first published in the National Vulnerability Database on December 8, 2020, 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-2020-9963 actively exploited?

CVE-2020-9963 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 55.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-9963?

CVE-2020-9963 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-2020-9963?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-9963, 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-2020-9963

📅 Published

🔄 Last Modified

🔗 References (6)