CVE-2013-0643

Exp

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.

Published: 2013-02-27 Last update: 2026-04-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2013-0643 is rated Critical Active Threat (89.6/100): CVSS High severity, with high exploitation likelihood (EPSS 58.65%, 98th percentile). Core evidence: CISA KEV confirms active exploitation (added 2024-09-17) affecting Adobe / Flash Player. a weakness (CWE-269) Unauthenticated remote administrative access may be possible. Mandatory action: The CISA remediation deadline has passed—treat as an emergency patch priority.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

CISA KEV Record for CVE-2013-0643

Name: Adobe Flash Player Incorrect Default Permissions Vulnerability · CISA KEV detail

Exploit added: 2024-09-17

Action due: 2024-10-08

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

Exploit prediction scoring system (EPSS) score for CVE-2013-0643

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-12 64.20% 58.65% -5.55%
2 2026-04-22 57.88% 64.20% +6.32%
3 2026-01-25 57.88%

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-0643

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.8 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
2.8 5.9 [email protected]
8.8 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
2.8 5.9 134c704f-9b21-4f2e-91b3-4a467353bcc0
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
8.6 10.0 [email protected]

Weakness enumeration for CVE-2013-0643

OS Trackers for CVE-2013-0643

vendor priority summary link
gentoo normal CVE-2013-0643: 1 GLSA(s) (201309-06), 1 atom(s) (www-plugins/adobe-flash); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2013-0643
redhat critical https://access.redhat.com/security/cve/CVE-2013-0643
ubuntu medium CVE-2013-0643 medium priority: Ubuntu including 2 source packages (adobe-flashplugin, flashplugin-nonfree), 12 status rows across 6 suites (hardy, lucid, oneiric, precise, quantal, upstream): released 10, ignored 2. https://ubuntu.com/security/CVE-2013-0643

NVD evaluator notes for CVE-2013-0643

Impact: Per: http://www.adobe.com/support/security/bulletins/apsb13-08.html 'Flash Player 11.6.602.168 and earlier versions for Windows Flash Player 11.6.602.167 and earlier versions for Macintosh Flash Player 11.2.202.270 and earlier for Linux'

Affected software / configurations for CVE-2013-0643

Vendor Product Version Raw CPE
adobe flash_player < 10.3.183.67 cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*
adobe flash_player >= 11.0, < 11.6.602.171 cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*
adobe flash_player >= 11.0, < 11.2.202.273 cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*
redhat enterprise_linux_desktop 6.0 cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
redhat enterprise_linux_eus 5.9 cpe:2.3:o:redhat:enterprise_linux_eus:5.9:*:*:*:*:*:*:*
redhat enterprise_linux_eus 6.4 cpe:2.3:o:redhat:enterprise_linux_eus:6.4:*:*:*:*:*:*:*
redhat enterprise_linux_server 6.0 cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
redhat enterprise_linux_server_aus 5.9 cpe:2.3:o:redhat:enterprise_linux_server_aus:5.9:*:*:*:*:*:*:*
redhat enterprise_linux_server_aus 6.4 cpe:2.3:o:redhat:enterprise_linux_server_aus:6.4:*:*:*:*:*:*:*
redhat enterprise_linux_workstation 6.0 cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
opensuse opensuse 11.4 cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*
opensuse opensuse 12.1 cpe:2.3:o:opensuse:opensuse:12.1:*:*:*:*:*:*:*
suse linux_enterprise_desktop 10 cpe:2.3:o:suse:linux_enterprise_desktop:10:sp4:*:*:-:*:*:*
suse linux_enterprise_desktop 11 cpe:2.3:o:suse:linux_enterprise_desktop:11:sp2:*:*:*:*:*:*

References for CVE-2013-0643

cvelogic Threat Intelligence