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CVE-2011-0611

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 befor…

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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 8.8 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.8/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 8.8: +1.32
  • Fresh EPSS: 99.41%: +0.50

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 9 documents and public datasets.

Hype components

Headline sample (25%)
0/100
Press, 30 days (60%)
0/100
Grounded branding (15%)
0/100
HYPE TOTAL0/100

Sources and documents

BleepingComputer
Press · 04 Mar 2022, 08:00 · CISA warns organizations to patch 95 actively exploited bugs - BleepingComputer
TechTarget
Press · 01 Mar 2021, 08:00 · 3 ransomware distribution methods popular with attackers - TechTarget
Securelist
Press · 16 Nov 2017, 08:00 · Investigation Report for the September 2014 Equation malware detection incident in the US - Securelist
Kaspersky
Press · 09 Oct 2014, 07:00 · A layman’s dictionary: What is APT and why is it called that? - Kaspersky
Kaspersky
Press · 01 Aug 2014, 07:00 · Crouching Yeti: got caught anyway - Kaspersky
See all 9 source documents
Securelist
Press · 31 Jul 2014, 07:00 · Energetic Bear: more like a Crouching Yeti - Securelist
Zscaler
Press · 10 Nov 2011, 08:00 · Adobe Flash “SWF” Exploit Still In The Wild. - Zscaler
The Hacker News
Press · 16 Apr 2011, 07:00 · Emergency Adobe Flash Player patch coming today ! - The Hacker News
Qualys
Press · 15 Apr 2011, 07:00 · Analysis: Adobe Flash Player Zero Day CVE-2011-0611 - Qualys

Score evolution

● Hype   ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 8.8 (2026-11-02 15:11). The curve appears once the score changes.

Public exploit evidence

2

Public exploit entries / repo candidates

Source entries and unverified repository candidates are counted separately.

Public exploit evidence
Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence
Exploitation recorded
Priority basis
Recorded exploitation; CVSS 8.8; EPSS 99.4%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
network access, no prior privileges, user interaction.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:57:26.833626+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
13 Apr 2011, 14:00
First press mention
15 Apr 2011, 07:00
Added to the CISA KEV catalog
03 Mar 2022, 00:00
Latest press mention
04 Mar 2022, 08:00
Score calculated
05 Nov 2026, 13:57
PoCs on GitHub
2 repositories