What is CVE-2013-0643?

CVE-2013-0643 is a high-severity vulnerability in Adobe Flash Player, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2013-02-27.

How severe is CVE-2013-0643?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2013-0643 known to be exploited?

Yes. CVE-2013-0643 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-09-17), indicating it is being actively exploited.

Privilege escalation in Adobe Flash Player

CVE-2013-0643

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.

Vulnerability class: Privilege Escalation

Published 2013-02-27 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.105 (95.7th percentile), scored 2026-10-18.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.105 · newest: 0.105 · change: 0.000

Affected products

Adobe Flash Player
Apple Mac OS X
Linux Kernel
Microsoft Windows
openSUSE — versions 11.4, 12.1
Red Hat Enterprise Linux Desktop — versions 6.0
Red Hat Enterprise Linux Eus — versions 5.9, 6.4
Red Hat Enterprise Linux Server — versions 6.0
Red Hat Enterprise Linux Server Aus — versions 5.9, 6.4
Red Hat Enterprise Linux Workstation — versions 6.0

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2024-09-17. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 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.

References

rhn.redhat.com/errata/RHSA-2013-0574.html (vendor-advisory, Third Party Advisory)
www.adobe.com/support/security/bulletins/apsb13-08.html (Patch, Broken Link, Vendor Advisory)
lists.opensuse.org/opensuse-security-announce/2013-02/msg00035.html (vendor-advisory, Mailing List)
lists.opensuse.org/opensuse-security-announce/2013-02/msg00025.html (vendor-advisory, Mailing List)
lists.opensuse.org/opensuse-security-announce/2013-02/msg00026.html (vendor-advisory, Mailing List)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2013-0643?: CVE-2013-0643 is a high-severity vulnerability in Adobe Flash Player, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2013-02-27.
How severe is CVE-2013-0643?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2013-0643 known to be exploited?: Yes. CVE-2013-0643 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-09-17), indicating it is being actively exploited.