Is CVE-2013-0643 in the CISA KEV catalog?

Yes. CVE-2013-0643 is on the CISA Known Exploited Vulnerabilities list, added 2024-09-17.

What is the CVSS severity of CVE-2013-0643?

CVE-2013-0643 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2013-0643?

CVE-2013-0643 has an EPSS score of 10.53% (95th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2013-0643?

Upgrade Clean Flash Player 34.0.0.330 Installer to 11.6.602.171 or later.

CVE & CISA-KEV Catalog

CVE-2013-0643

HIGHCISA KEVEPSS 95th pctl

8.8

CVSS v3

NVD

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.

CWE-269Improper Privilege Management

How to fix

Remediation Available

Clean Flash Player 34.0.0.330 InstallerWindows application

Affected:11.0 11.6.602.171Fixed in:11.6.602.171

Affected:11.0 11.2.202.273Fixed in:11.2.202.273

Affected:10.3.183.67Fixed in:10.3.183.67

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

10.53%probability of exploitation in 30 days

95thpercentile

Very high risk: more likely to be exploited than 95% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Adobe Flash Player Incorrect Default Permissions Vulnerability

Adobe Flash Player contains an incorrect default permissions vulnerability in the Firefox sandbox that allows a remote attacker to execute arbitrary code via crafted SWF content.

The impacted product is end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue utilization of the product.

Remediation due: 2024-10-08

References

Patch1

adobe.com

Third-Party Advisory1

rhn.redhat.com

Government Resource1

cisa.gov

Mailing List3

Related Vulnerabilities

Other CWE-269 (Improper Privilege Management) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-12635	Critical	9.8	100%	-	Fix
CVE-2022-24637	Critical	9.8	99%	-	Fix
CVE-2017-5689	Critical	9.8	92%	KEV	Fix
CVE-2020-3243	Critical	9.8	88%	-	-
CVE-2024-21888	High	8.8	87%	-	-
CVE-2022-0441	Critical	9.8	85%	-	Fix

Embed a live status badge for CVE-2013-0643

Markdown

[![CVE-2013-0643](https://tridentstack.com/cve/badge/CVE-2013-0643.svg)](https://tridentstack.com/cve/CVE-2013-0643)

HTML

<a href="https://tridentstack.com/cve/CVE-2013-0643"><img src="https://tridentstack.com/cve/badge/CVE-2013-0643.svg" alt="CVE-2013-0643"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

See how it works Start freeThis CVE lookup is free and always will be.

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-21.