CVE-2020-9633

Home/CVE/Adobe Flash Player Desktop Runtime 32.0.0.371 and earlier, Adobe Flash Player for Google Chrome 32.0.0.371 and earlier,

CVE

Adobe Flash Player Desktop Runtime 32.0.0.371 and earlier, Adobe Flash Player for Google Chrome 32.0.0.371 and earlier,

Adobe Flash Player Desktop Runtime 32.0.0.371 and earlier, Adobe Flash Player for Google Chrome 32.0.0.371 and earlier, and Adobe Flash Player for Microsoft Edge and Internet Explorer 32.0.0.330 and earlier have an use after free vulnerability. Successful exploitation could lead to arbitrary code execution.

CRITICAL · CVSS 9.8 EPSS 0.08341

Schedule remediation

EPSS percentile: top 8% of all CVEs by exploitation likelihood
CVSS base score ≥ 7.0

Sigma rules16 YARA rules0

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Weakness Classification

CWE-416Use After Free

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Affected Products & Versions

adobe flash player desktop runtime<= 32.0.0.371
adobe flash player<= 32.0.0.371
adobe flash player<= 32.0.0.330

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Sigma Hunt Rules

Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.

productcriticalHackTool - Windows Credential Editor (WCE) Execution

productcriticalWindows Credential Editor Registry

producthighOpenCanary - MSSQL Login Attempt Via Windows Authentication

producthighWindows LAPS Credential Dump From Entra ID

producthighTamper Windows Defender - PSClassic

producthighTamper Windows Defender Remove-MpPreference - ScriptBlockLogging

Show all 16 top matchesproducthighTamper Windows Defender - ScriptBlockLogging
producthighFlash Player Update from Suspicious Location
producthighSuspicious Microsoft Office Child Process - MacOS
producthighRemote Access Tool - Renamed MeshAgent Execution - MacOS
producthighBinary Padding - MacOS
productmediumSuspicious Execution via macOS Script Editor
productmediumSystem Information Discovery Via Sysctl - MacOS
productmediumNew File Exclusion Added To Time Machine Via Tmutil - MacOS
productmediumSuspicious MacOS Firmware Activity
productmediumDisk Image Mounting Via Hdiutil - MacOS

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Scoring & Timeline

9.8

CRITICAL · CVSS v3.1 · psirt@adobe.com

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD12 Jun 2020 · 02:15 PM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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Vendor Advisories

rhsaRHSA-2020:2547Critical

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

https://helpx.adobe.com/security/products/flash-player/apsb20-30.htmlVendor Advisory

https://security.gentoo.org/glsa/202006-09Third Party Advisory

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