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CVE-2013-0643

High 8.8 Exploited in the wild (KEV)

Confirmed active exploitation — CISA KEV catalog

Name
Adobe Flash Player Incorrect Default Permissions Vulnerability
Added to catalog
Remediation due date (US federal)
Required action
The impacted product is end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue utilization of the product.

Description

The Firefox sandbox in Adobe Flash Player before 10.3.183.67 and 11.x before 11.6.602.171 on Windows and Mac OS X, and before 10.3.183.67 and 11.x before 11.2.202.273 on Linux, does not properly restrict privileges, which makes it easier for remote attackers to execute arbitrary code via crafted SWF content, as exploited in the wild in February 2013.

Metrics

CVSS 3.1
8.8 (HIGH) Score source: NVD CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS — exploit probability
11% (percentile: 96) as of 1 November 2026
CWE
CWE-269

Affected products

adobe: flash player; apple: mac os x; microsoft: windows; linux: linux kernel; redhat: enterprise linux desktop; redhat: enterprise linux eus; redhat: enterprise linux server; redhat: enterprise linux server aus; redhat: enterprise linux workstation; opensuse: opensuse; suse: linux enterprise desktop

References