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Threats / Adobe / CVE-2011-0611
CVE-2011-0611 · EUVD no mirror located · GCVE no mirror located Verified 2026-06-22

Adobe Flash Player vulnerability

Adobe Flash Player contains a type confusion vulnerability allowing remote attackers to execute arbitrary code or crash the application through crafted Flash content.

Verdict

Today item — known-exploited.

This vulnerability enables remote code execution via malicious Flash files. The high EPSS score and confirmed exploitation in the wild indicate active abuse. Organizations must patch immediately to prevent compromise.

CISA KEV Yes · 2022-03-033EPSS 0.9941 (verify live)4
01

Is it exploitable?

— the evidence, ranked above the score
Reported exploitation
18 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03).
CISA KEV ↗Confirmed
Probability (EPSS)
EPSS 0.9941 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: Adobe, Flash Player. Confirm exact fixed builds in the vendor advisory.
NVD ↗Reported
Weakness (CWE)
Mapped to CWE-843 Type Confusion — weakness family: Memory safety.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
NVD ↗Reported
WeaknessCWE-843 · Type ConfusionMemory safety
02

Who’s exploiting it?

— attribution turns risk into urgency
Attribution not established

No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.

03

Why it matters

— the attack path, told twice: adversary, then board
1

Front door — unauthenticated access narrative 1

Attacker
I craft a malicious Flash file exploiting the type confusion flaw in Flash Player's memory handling.
Business
Attackers gain ability to compromise user systems without additional user interaction beyond opening a file or visiting a webpage.
2

Keys to the kingdom — privilege/identity takeover narrative 2

Attacker
I distribute the malicious Flash content through compromised websites, email attachments, or ad networks.
Business
Attack surface expands across web browsing and email channels, affecting large user populations simultaneously.
3

Lateral reach — past segmentation narrative 3

Attacker
I execute arbitrary code with the privileges of the Flash Player process to install malware or establish persistence.
Business
Systems become compromised with potential for data theft, lateral movement, or botnet enrollment.
04

What to do

— defensible action
  • Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05

Coverage & confidence

— what we know, and what we don’t

Established (cited)

  • KEV listing (CISA)
  • EPSS probability (FIRST)
  • 18 reported-exploitation source(s)
  • CWE weakness mapping (NVD)
  • Catalogued by adobe (CNA)
  • Coverage gaps — stated, not hidden

  • No EUVD / GCVE mirror in feed — single-authority dependency for the identifier.
  • EPSS & exposure are time-varying; verify live at the source.
  • Threat-actor attribution not established from feed data — absence of a name is not absence of compromise.
  • No finder/reporter credit recorded in the public CVE entry — the work behind this find is unattributed.
  • Disclosure & credit2
    Catalogued by adobeCNA
    Credited with finding itNo finder named in the public CVE record — the work behind this find is unattributed.