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.
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.
: Adobe Flash Player Incorrect Default Permissions Vulnerability · CISA KEV detail
: 2024-09-17
: 2024-10-08
: The impacted product is end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue utilization of the product.
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)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | [email protected] |
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| 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 |
: 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'
| 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:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2013-02/msg00025.html | Mailing List |
| http://lists.opensuse.org/opensuse-security-announce/2013-02/msg00026.html | Mailing List |
| http://lists.opensuse.org/opensuse-security-announce/2013-02/msg00035.html | Mailing List |
| http://rhn.redhat.com/errata/RHSA-2013-0574.html | Third Party Advisory |
| http://www.adobe.com/support/security/bulletins/apsb13-08.html | Broken Link Patch Vendor Advisory |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-0643 | US Government Resource |