An issue was discovered in certain Apple products. iOS before 10.3.3 is affected. Safari before 10.1.2 is affected. iCloud before 6.2.2 on Windows is affected. iTunes before 12.6.2 on Windows is affected. tvOS before 10.2.2 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.
CVE-2017-7020
Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-14. NVD baseline CVSS 8.8; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.8
- EG Score
- 8.8(medium)
- EPSS
- 72.9%
- KEV
- Not listed
Published
July 20, 2017
Last Modified
May 13, 2026
References (16)
- product-security@applehttp://www.securityfocus.com/bid/99885
- product-security@applehttp://www.securitytracker.com/id/1038950
- product-security@applehttps://security.gentoo.org/glsa/201710-14
- product-security@applehttps://support.apple.com/HT207921
- product-security@applehttps://support.apple.com/HT207923
- product-security@applehttps://support.apple.com/HT207924
- product-security@applehttps://support.apple.com/HT207927
- product-security@applehttps://support.apple.com/HT207928
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/99885
- af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1038950
- af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201710-14
- af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/HT207921
- af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/HT207923
- af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/HT207924
- af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/HT207927
Data Freshness Timeline
(refreshed 12× in last 7d / 46× 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.
Showing the most recent 100 of 103 total refreshes for this CVE.
- 2026-07-07 13:42 UTCEPSS rescore
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- 2026-06-05 23:23 UTCOSV refresh
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Frequently asked(5)
What is CVE-2017-7020?
When was CVE-2017-7020 disclosed?
Is CVE-2017-7020 actively exploited?
What is the CVSS score of CVE-2017-7020?
How do I remediate CVE-2017-7020?
Dependency Blast Radius
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