{"id":"CVE-2011-0611","published":"2011-04-13T14:55:01Z","modified":"2026-06-16T23:27:44Z","title":"Adobe Flash Player Remote Code Execution Vulnerability","vendor":"Adobe","product":"Flash Player","tier":"core","eol":null,"description":{"text":"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.","provenance":"source","from":"NVD"},"summary":{"text":"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), along with Adobe AIR and the Authplay.dll/AuthPlayLib.bundle component in Adobe Reader and Acrobat, contains an object type confusion flaw that is triggered by crafted Flash content. A remote attacker can execute arbitrary code or crash the application by getting a user to open a malicious Flash file, such as a Microsoft Office document with an embedded .swf, which requires user interaction and no authentication.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-29T07:53:37Z"},"cvss":{"score":8.8,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.9941,"percentile":0.99941,"date":"2026-10-28","provenance":"source"},"kev":{"dateAdded":"2022-03-03","dueDate":"2022-03-24","ransomware":false,"requiredAction":"The impacted product is end-of-life and should be disconnected if still in use.","notes":"https://nvd.nist.gov/vuln/detail/CVE-2011-0611","provenance":"source"},"vulncheckKev":{"dateAdded":"2011-04-13","exploitedFirstSeen":"2011-04-13","ransomware":false,"evidence":[{"url":"https://www.cve.org/CVERecord?id=CVE-2011-0611","date":"2011-04-13"},{"url":"https://documents.trendmicro.com/assets/wp/wp_luckycat_redux.pdf","date":"2012-01-01"},{"url":"https://web.archive.org/web/20120907091804/http://www.trendmicro.com/cloud-content/us/pdfs/security-intelligence/white-papers/wp_the_taidoor_campaign.pdf","date":"2012-01-01"},{"url":"https://www.kaspersky.com/resource-center/threats/crouching-yeti-energetic-bear-malware-threat","date":"2012-01-01"},{"url":"https://www.trendmicro.de/cloud-content/us/pdfs/security-intelligence/white-papers/wp_ixeshe.pdf","date":"2012-01-01"},{"url":"https://1vx.ug/archive/Symantec/luckycat-hackers-12-en.pdf","date":"2012-03-01"},{"url":"https://www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/wham-bam-the-cutwailblackhole-combo/","date":"2012-07-02"},{"url":"http://www.cs.cornell.edu/courses/cs6410/2012fa/slides/Symantec_ElderwoodProject_2012.pdf","date":"2012-09-01"},{"url":"https://archive.f-secure.com/weblog/archives/00002458","date":"2012-11-16"},{"url":"https://community.broadcom.com/symantecenterprise/communities/community-home/librarydocuments/viewdocument?DocumentKey=73a35ea9-1a0f-4bff-b4b2-1567d7749ec7&CommunityKey=1ecf5f55-9545-44d6-b0f4-4e4a7f5f5e68&tab=librarydocuments","date":"2013-01-30"}],"evidenceTotal":19,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev 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2026","url":"https://otx.alienvault.com/pulse/6ad62f63c24a405a3423cc13","created":"2026-10-19"},{"name":"Actively_Exploited_Kev | Oct 19, 2026","url":"https://otx.alienvault.com/pulse/6ad4dda174e5797d0bd238b7","created":"2026-10-18"},{"name":"Actively_Exploited_Kev | Oct 18, 2026","url":"https://otx.alienvault.com/pulse/6ad38c22e1848f8189d1c121","created":"2026-10-17"}],"provenance":"machine"},"cwes":[{"id":"CWE-843","name":"Access of Resource Using Incompatible Type"}],"references":[{"url":"http://blogs.technet.com/b/mmpc/archive/2011/04/12/analysis-of-the-cve-2011-0611-adobe-flash-player-vulnerability-exploitation.aspx","tags":["Not Applicable"]},{"url":"http://bugix-security.blogspot.com/2011/04/cve-2011-0611-adobe-flash-zero-day.html","tags":["Exploit"]},{"url":"http://contagiodump.blogspot.com/2011/04/apr-8-cve-2011-0611-flash-player-zero.html","tags":["Exploit","Issue Tracking"]},{"url":"http://googlechromereleases.blogspot.com/2011/04/stable-channel-update.html","tags":["Release Notes"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00004.html","tags":["Mailing List","Patch"]},{"url":"http://secunia.com/advisories/44119","tags":["Broken Link","Vendor Advisory"]},{"url":"http://secunia.com/advisories/44141","tags":["Broken Link","Vendor Advisory"]},{"url":"http://secunia.com/advisories/44149","tags":["Broken Link","Vendor Advisory"]},{"url":"http://secunia.com/blog/210/","tags":["Broken Link","Vendor Advisory"]},{"url":"http://securityreason.com/securityalert/8204","tags":["Third Party Advisory"]},{"url":"http://securityreason.com/securityalert/8292","tags":["Third Party Advisory"]},{"url":"http://www.adobe.com/support/security/advisories/apsa11-02.html","tags":["Broken Link","Vendor Advisory"]},{"url":"http://www.adobe.com/support/security/bulletins/apsb11-07.html","tags":["Broken Link","Vendor Advisory"]},{"url":"http://www.adobe.com/support/security/bulletins/apsb11-08.html","tags":["Broken Link","Vendor Advisory"]},{"url":"http://www.exploit-db.com/exploits/17175","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"http://www.kb.cert.org/vuls/id/230057","tags":["Broken Link","Third Party Advisory","US Government Resource"]},{"url":"http://www.redhat.com/support/errata/RHSA-2011-0451.html","tags":["Broken Link","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/47314","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://www.securitytracker.com/id?1025324","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://www.securitytracker.com/id?1025325","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://www.vupen.com/english/advisories/2011/0922","tags":["Broken Link","Vendor Advisory"]},{"url":"http://www.vupen.com/english/advisories/2011/0923","tags":["Broken Link","Vendor Advisory"]},{"url":"http://www.vupen.com/english/advisories/2011/0924","tags":["Broken Link","Vendor 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Resource"]},{"url":"http://www.redhat.com/support/errata/RHSA-2011-0451.html","tags":["Broken Link","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/47314","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://www.securitytracker.com/id?1025324","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://www.securitytracker.com/id?1025325","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://www.vupen.com/english/advisories/2011/0922","tags":["Broken Link","Vendor Advisory"]},{"url":"http://www.vupen.com/english/advisories/2011/0923","tags":["Broken Link","Vendor Advisory"]},{"url":"http://www.vupen.com/english/advisories/2011/0924","tags":["Broken Link","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/66681","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14175","tags":["Broken Link"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2011-0611","tags":["US Government Resource"]}],"techniques":[{"id":"T1204.002","name":"Malicious File","tactics":["execution"],"provenance":"source","basis":"ctid-kev","bases":["ctid-kev"],"basisDetail":"CTID Mappings Explorer KEV 07/28/2025 (ATT&CK 16.1); capability: Code Execution","mappingType":"exploitation_technique","evidence":[],"comment":"This vulnerability is exploited by having a user execute a maliciously-crafted word document or pdf file that has embedded swf. The malicious code then downloads another payload to the target machine.","confidence":"medium","confidenceNote":"CTID KEV capability group \"code execution\" is generic"},{"id":"T1105","name":"Ingress Tool Transfer","tactics":["command-and-control"],"provenance":"source","basis":"ctid-kev","bases":["ctid-kev"],"basisDetail":"CTID Mappings Explorer KEV 07/28/2025 (ATT&CK 16.1); capability: Code Execution","mappingType":"primary_impact","evidence":[],"comment":"This vulnerability is exploited by having a user execute a maliciously-crafted word document or pdf file that has embedded swf. The malicious code then downloads another payload to the target machine.","confidence":"medium","confidenceNote":"CTID KEV capability group \"code execution\" is generic"}],"reports":[{"id":"SRC-caebbd89ae4973f81fad","title":"VB2021 paper: The Baffling Berserk Bear: A Decade’s Activity Targeting Critical Infrastructur","publisher":"vblocalhost.com","url":"https://vblocalhost.com/uploads/VB2021-Slowik.pdf","date":null,"mentions":[{"quote":"CVE-2011-0611, relating to embedded Flash objects in file formats such as Adobe Portable Document Format (PDF) items","start":5713,"end":5829}]},{"id":"SRC-bd66404e0d19e11c07fa","title":"Operation Dust Storm","publisher":"s7d2.scene7.com","url":"https://s7d2.scene7.com/is/content/cylance/prod/cylance-web/en-us/resources/knowledge-center/resource-library/reports/Op_Dust_Storm_Report.pdf","date":null,"mentions":[{"quote":"embedded with a zero-day Flash exploit (CVE-2011-0611).","start":4961,"end":5016},{"quote":"in June 2012 that leveraged both CVE-2011-0611, a","start":7989,"end":8038}]},{"id":"SRC-93c55e10ab45afc37c85","title":"Microsoft Security","publisher":"download.microsoft.com","url":"https://download.microsoft.com/download/E/B/0/EB0F50CC-989C-4B66-B7F6-68CD3DC90DE3/Microsoft_Security_Intelligence_Report_Volume_21_English.pdf","date":null,"mentions":[{"quote":"new exploit mitigations to Flash Player in recent years, including adopting\r\nthe Control Flow Guard technology in Windows 10, which makes memory\r\n0.000%\r\n0.005%\r\n0.010%\r\n0.015%\r\n0.020%\r\n0.025%\r\n0.030%\r\n3Q15 4Q15 1Q16 2Q16\r\nEncounter rate (percent of all reporting computers) Win32/ShellCode\r\nCVE-2010-3653\r\nCVE-2011-0611","start":113828,"end":114148},{"quote":"CVE-2011-0611, 63","start":261254,"end":261271}]}],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2011-0629","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2011-0629","exploited":true,"exploitedSince":"2022-03-03","provenance":"source"},"exploits":[{"id":17175,"url":"https://www.exploit-db.com/exploits/17175","title":"Adobe Flash Player 10.2.153.1 - SWF Memory Corruption (Metasploit)","type":"remote","platform":"windows","date":"2011-04-16","verified":true,"provenance":"source"},{"id":17473,"url":"https://www.exploit-db.com/exploits/17473","title":"Adobe Reader X 10.0.0 < 10.0.1 - Atom Type Confusion","type":"local","platform":"windows","date":"2011-07-03","verified":true,"provenance":"source"}],"exploitSources":{"exploitdb":{"count":2,"earliest":"2011-04-16"},"metasploit":[{"name":"Adobe Flash Player 10.2.153.1 SWF Memory Corruption Vulnerability","module":"exploit/windows/browser/adobe_flashplayer_flash10o","type":"exploit","disclosureDate":"2011-04-11","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/adobe_flashplayer_flash10o.rb"}],"first":{"date":"2011-04-11","source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/adobe_flashplayer_flash10o.rb"},"provenance":"source"},"exploitRefs":["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://www.exploit-db.com/exploits/17175"],"flow":[{"stage":"exploitation","techniques":["T1204.002"],"provenance":"source"},{"stage":"primary","techniques":["T1105"],"provenance":"source"}],"timeline":[{"date":"2011-04-11","kind":"exploit-public","label":"First public exploit: Metasploit; 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2 Exploit-DB entries; 1 Metasploit module"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"50 pulses"},{"name":"CVSS severity","points":6.16,"detail":"base score 8.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}