CVE-2020-9952

mediumpriority · track · 29EPSS 0.015 · 74 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.50% (74th) EPSS

CVSS 5.8 · medium

Is it mine?

14 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-22

An input validation issue was addressed with improved input validation. This issue is fixed in iOS 14.0 and iPadOS 14.0, tvOS 14.0, watchOS 7.0, Safari 14.0, iCloud for Windows 11.4, iCloud for Windows 7.21. Processing maliciously crafted web content may lead to a cross site scripting attack.

cvss

Technical severity, 0–10. One row per scoring source.

7.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.8–7.1

v2.05.8mediumAV:N/AC:M/Au:N/C:N/I:P/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 4.9

v3.17.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Lprimary · NVD / NIST USexploitability 2.8 · impact 3.7

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimary

affected products (14)

Products and version ranges known to be affected.

Apple IOSunspecified → iOS 14.0 and iPadOS 14.0enisa_euvdEU
Apple Safariunspecified → Safari 14.0enisa_euvdEU
Apple iCloud for Windowsunspecified → iCloud for Windows 11.4enisa_euvdEU
Apple iCloud for Windows (Legacy)unspecified → iCloud for Windows 7.21enisa_euvdEU
Apple tvOSunspecified → tvOS 14.0enisa_euvdEU
Apple watchOSunspecified → watchOS 7.0enisa_euvdEU
apple icloud< 7.21nvdUScpe:2.3:a:apple:icloud:*:*:*:*:*:*:*:*
apple icloud11.0 → 11.4nvdUScpe:2.3:a:apple:icloud:*:*:*:*:*:*:*:*
apple ipados< 14.0nvdUScpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
apple iphone os< 14.0nvdUScpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
apple safari< 14.0nvdUScpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
apple tvos< 14.0nvdUScpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
apple watchos< 7.0nvdUScpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
webkit webkitgtk+≤ 2.30.3nvdUScpe:2.3:a:webkit:webkitgtk\+:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2020-10-16modified 2026-06-17

related (52,875)

Related entries.

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An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15 and 9.0 and 10.0 and 10.1. A Cross-Site Scripting (XSS) vulnerability in the Zimbra Classic UI allows attackers to exec…
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+52870 more

references (53)

External citations — patches, advisories, analysis.

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