CVE-2011-0611
Published 2011-04-13 · Updated 2026-06-16 · Source psirt@adobe.com
Summary
CVE-2011-0611 is a high-severity (CVSS 8.8) vulnerability in Adobe Flash Player. CISA added it to the Known Exploited Vulnerabilities catalog on March 3, 2022, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by March 24, 2022. CISA does not currently list it as used in ransomware campaigns. Adobe has 83 vulnerabilities in the KEV catalog, 11 of them linked to ransomware.
All 83 known-exploited Adobe vulnerabilities →Description
Adobe Flash Player before 10.2.154.27 on Windows, Mac OS X, Linux, and Solaris and 10.2.156.12 and earlier on Android; Adobe AIR before 2.6.19140; and Authplay.dll (aka AuthPlayLib.bundle) in Adobe Reader 9.x before 9.4.4 and 10.x through 10.0.1 on Windows, Adobe Reader 9.x before 9.4.4 and 10.x before 10.0.3 on Mac OS X, and Adobe Acrobat 9.x before 9.4.4 and 10.x before 10.0.3 on Windows and Mac OS X allow remote attackers to execute arbitrary code or cause a denial of service (application crash) via crafted Flash content; as demonstrated by a Microsoft Office document with an embedded .swf file that has a size inconsistency in a "group of included constants," object type confusion, ActionScript that adds custom functions to prototypes, and Date objects; and as exploited in the wild in April 2011.
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA Known-Exploited Vulnerability
Product: Adobe — Flash Player
Name: Adobe Flash Player Remote Code Execution Vulnerability
Date added: 2022-03-03 · Due: 2022-03-24
Required action: The impacted product is end-of-life and should be disconnected if still in use.
References
- http://blogs.technet.com/b/mmpc/archive/2011/04/12/analysis-of-the-cve-2011-0611-adobe-flash-player-vulnerability-exploitation.aspx
- http://bugix-security.blogspot.com/2011/04/cve-2011-0611-adobe-flash-zero-day.html
- http://contagiodump.blogspot.com/2011/04/apr-8-cve-2011-0611-flash-player-zero.html
- http://googlechromereleases.blogspot.com/2011/04/stable-channel-update.html
- http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00004.html
- http://secunia.com/advisories/44119
- http://secunia.com/advisories/44141
- http://secunia.com/advisories/44149

