CVE-2013-0643

The Firefox sandbox in Adobe Flash Player before 10.3.183.67 and 11.x before 11.6.602.171 on...

8.8 HighIn KEV

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

10.5%Up 4.2 points since Feb 4, 2022

What each source reports

NVD Score used 8.8

Record: CVE-2013-0643
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0: 9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness: CWE-269
Updated: 2026-11-02

CVE List 8.8

Record: CVE-2013-0643
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-269
Updated: 2026-11-02

EUVDEUVD-2013-0654 8.8

Record: EUVD-2013-0654
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-rv96-qgg3-4gv7 8.8

The Firefox sandbox in Adobe Flash Player before 10.3.183.67 and 11.x before 11.6.602.171 on...

Record: GHSA-rv96-qgg3-4gv7
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-269
Updated: 2026-11-02

CISA KEV No score

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.

Record: CVE-2013-0643
Weakness: CWE-264
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`flash-plugin` Red Hat:rhel_extras:5::server From an advisory covering 3 CVEs	before 0:11.2.202.273-1.el5	0:11.2.202.273-1.el5
`flash-plugin` Red Hat:rhel_extras:6 From an advisory covering 3 CVEs	before 0:11.2.202.273-1.el6	0:11.2.202.273-1.el6

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	exploitation
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, CISA KEV, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2013-0643 is a high vulnerability (CVSS 8.8) in Adobe Flash Player, published February 27, 2013. CISA lists it as known to be exploited, since September 17, 2024. EUVD reports exploitation since September 17, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 10.5%, the 95th percentile. No source names a fixed version.

References

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