CVE-2011-0611

CRITICALNVD 8.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 8.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 5 sources updated this weekExploited in the wild
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 99%CVSS: 8.8Exploit: cisa kev · ssvc active · Metasploit · Exploit-DB (verified) · epss top5pct · epss high · public exploitExposed: 0

A fix is available — apply it.

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 v3
8.8
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
99%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

April 13, 2011

Last Modified

April 21, 2026

Advisory Details (9)

Auto-updated May 2, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic🔴 Active Exploitation

Adobe Flash Player 10.2.153.1 SWF Memory Corruption Vulnerability - CXSecurity.com

http://securityreason.com/securityalert/8204
generic

Security

http://secunia.com/blog/210/
generic

About Secunia Research | Flexera

http://secunia.com/advisories/44149
generic

About Secunia Research | Flexera

http://secunia.com/advisories/44141
generic

About Secunia Research | Flexera

http://secunia.com/advisories/44119
generic

Chrome Releases: Stable Channel Update

http://googlechromereleases.blogspot.com/2011/04/stable-channel-update.html
generic

contagio: Apr. 8 CVE-2011-0611 Flash Player Zero day - SWF in DOC/ XLS - Disentangling Industrial Policy..

http://contagiodump.blogspot.com/2011/04/apr-8-cve-2011-0611-flash-player-zero.html
generic

BugiX - Security Research: CVE-2011-0611 Adobe Flash Zero Day embeded in DOC

http://bugix-security.blogspot.com/2011/04/cve-2011-0611-adobe-flash-zero-day.html
generic

Archived MSDN and TechNet Blogs | Microsoft Learn

http://blogs.technet.com/b/mmpc/archive/2011/04/12/analysis-of-the-cve-2011-0611-adobe-flash-player-vulnerability-exploitation.aspx

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatflash-plugin-0:10.2.159.1-1.el52011-04-18redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 96× in last 7d / 404× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 1,479 total refreshes for this CVE.

  1. 2026-09-19 12:04 UTCVendor advisory
  2. 2026-09-19 12:04 UTCGHSA enrichment
  3. 2026-09-19 08:17 UTCVendor advisory
  4. 2026-09-19 08:17 UTCGHSA enrichment
  5. 2026-09-19 04:30 UTCVendor advisory
  6. 2026-09-19 04:30 UTCGHSA enrichment
  7. 2026-09-19 00:43 UTCVendor advisory
  8. 2026-09-19 00:43 UTCGHSA enrichment
  9. 2026-09-18 20:56 UTCVendor advisory
  10. 2026-09-18 20:56 UTCGHSA enrichment
  11. 2026-09-18 19:20 UTCCISA KEV update
  12. 2026-09-18 17:08 UTCVendor advisory
  13. 2026-09-18 17:08 UTCGHSA enrichment
  14. 2026-09-18 14:15 UTCCISA KEV update
  15. 2026-09-18 13:19 UTCVendor advisory
  16. 2026-09-18 13:19 UTCGHSA enrichment
  17. 2026-09-18 09:32 UTCVendor advisory
  18. 2026-09-18 09:32 UTCGHSA enrichment
  19. 2026-09-18 05:45 UTCVendor advisory
  20. 2026-09-18 05:45 UTCGHSA enrichment
  21. 2026-09-18 01:58 UTCVendor advisory
  22. 2026-09-18 01:58 UTCGHSA enrichment
  23. 2026-09-17 22:11 UTCVendor advisory
  24. 2026-09-17 22:11 UTCGHSA enrichment
  25. 2026-09-17 18:24 UTCVendor advisory
Show 75 more
  1. 2026-09-17 18:23 UTCGHSA enrichment
  2. 2026-09-17 14:36 UTCVendor advisory
  3. 2026-09-17 14:36 UTCGHSA enrichment
  4. 2026-09-17 10:49 UTCVendor advisory
  5. 2026-09-17 10:49 UTCGHSA enrichment
  6. 2026-09-17 07:02 UTCVendor advisory
  7. 2026-09-17 07:02 UTCGHSA enrichment
  8. 2026-09-17 03:15 UTCVendor advisory
  9. 2026-09-17 03:15 UTCGHSA enrichment
  10. 2026-09-16 23:28 UTCVendor advisory
  11. 2026-09-16 23:28 UTCGHSA enrichment
  12. 2026-09-16 19:40 UTCVendor advisory
  13. 2026-09-16 19:40 UTCGHSA enrichment
  14. 2026-09-16 15:53 UTCVendor advisory
  15. 2026-09-16 15:53 UTCGHSA enrichment
  16. 2026-09-16 14:10 UTCCISA KEV update
  17. 2026-09-16 12:06 UTCVendor advisory
  18. 2026-09-16 12:06 UTCGHSA enrichment
  19. 2026-09-16 08:19 UTCVendor advisory
  20. 2026-09-16 08:18 UTCGHSA enrichment
  21. 2026-09-16 04:27 UTCVendor advisory
  22. 2026-09-16 04:27 UTCGHSA enrichment
  23. 2026-09-16 00:40 UTCVendor advisory
  24. 2026-09-16 00:40 UTCGHSA enrichment
  25. 2026-09-15 20:52 UTCVendor advisory
  26. 2026-09-15 20:52 UTCGHSA enrichment
  27. 2026-09-15 17:05 UTCVendor advisory
  28. 2026-09-15 17:05 UTCGHSA enrichment
  29. 2026-09-15 13:17 UTCVendor advisory
  30. 2026-09-15 13:17 UTCGHSA enrichment
  31. 2026-09-15 09:30 UTCVendor advisory
  32. 2026-09-15 09:30 UTCGHSA enrichment
  33. 2026-09-15 05:42 UTCVendor advisory
  34. 2026-09-15 05:42 UTCGHSA enrichment
  35. 2026-09-15 01:54 UTCVendor advisory
  36. 2026-09-15 01:54 UTCGHSA enrichment
  37. 2026-09-14 22:06 UTCVendor advisory
  38. 2026-09-14 22:06 UTCGHSA enrichment
  39. 2026-09-14 19:24 UTCCISA KEV update
  40. 2026-09-14 18:19 UTCVendor advisory
  41. 2026-09-14 18:19 UTCGHSA enrichment
  42. 2026-09-14 14:31 UTCVendor advisory
  43. 2026-09-14 14:31 UTCGHSA enrichment
  44. 2026-09-14 10:44 UTCVendor advisory
  45. 2026-09-14 10:44 UTCGHSA enrichment
  46. 2026-09-14 06:56 UTCVendor advisory
  47. 2026-09-14 06:56 UTCGHSA enrichment
  48. 2026-09-14 03:09 UTCVendor advisory
  49. 2026-09-14 03:09 UTCGHSA enrichment
  50. 2026-09-13 23:22 UTCVendor advisory
  51. 2026-09-13 23:22 UTCGHSA enrichment
  52. 2026-09-13 19:35 UTCVendor advisory
  53. 2026-09-13 19:35 UTCGHSA enrichment
  54. 2026-09-13 15:47 UTCVendor advisory
  55. 2026-09-13 15:47 UTCGHSA enrichment
  56. 2026-09-13 11:59 UTCVendor advisory
  57. 2026-09-13 11:59 UTCGHSA enrichment
  58. 2026-09-13 08:11 UTCVendor advisory
  59. 2026-09-13 08:11 UTCGHSA enrichment
  60. 2026-09-13 04:25 UTCVendor advisory
  61. 2026-09-13 04:25 UTCGHSA enrichment
  62. 2026-09-13 00:37 UTCVendor advisory
  63. 2026-09-13 00:37 UTCGHSA enrichment
  64. 2026-09-12 20:50 UTCVendor advisory
  65. 2026-09-12 20:50 UTCGHSA enrichment
  66. 2026-09-12 17:02 UTCEG score recompute
  67. 2026-09-12 17:02 UTCVendor advisory
  68. 2026-09-12 17:02 UTCGHSA enrichment
  69. 2026-09-12 14:54 UTCEPSS rescore
  70. 2026-09-12 13:15 UTCVendor advisory
  71. 2026-09-12 13:15 UTCGHSA enrichment
  72. 2026-09-12 09:28 UTCVendor advisory
  73. 2026-09-12 09:28 UTCGHSA enrichment
  74. 2026-09-12 05:41 UTCVendor advisory
  75. 2026-09-12 05:41 UTCGHSA enrichment

Publicly available exploits

(3 references)

Working exploit code is in the public domain (1 Metasploit module) (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-17473✓ verified
    First seen Jul 3, 2011

    Adobe Reader X 10.0.0 < 10.0.1 - Atom Type Confusion

    Open source ↗
  • Exploit-DBEDB-17175✓ verified
    First seen Apr 16, 2011

    Adobe Flash Player 10.2.153.1 - SWF Memory Corruption (Metasploit)

    Open source ↗
  • Metasploitexploit/windows/browser/adobe_flashplayer_flash10o✓ verified
    First seen Apr 11, 2011

    Adobe Flash Player 10.2.153.1 SWF Memory Corruption Vulnerability

    Open source ↗

Related CVEs(same vendor + same CWE)

Frequently asked(6)

What is CVE-2011-0611?
CVE-2011-0611 is a critical vulnerability published on April 13, 2011. 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…
When was CVE-2011-0611 disclosed?
CVE-2011-0611 was first published in the National Vulnerability Database on April 13, 2011, with the most recent update on April 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2011-0611 actively exploited?
Yes. CISA added CVE-2011-0611 to the Known Exploited Vulnerabilities catalog on March 3, 2022, affecting Adobe Flash Player. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2011-0611?
CVE-2011-0611 has a CVSS v3 base score of 8.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2011-0611?
CVE-2011-0611 affects Adobe Flash Player. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2011-0611?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-0611, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2011-0611

Explore →

Is Your Infrastructure Affected by CVE-2011-0611?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs