How severe is CVE-2011-0609?

CVE-2011-0609 has a CVSS score of 7.8/10, rated HIGH. Immediate patching is strongly recommended.

Which packages are affected by CVE-2011-0609?

Affected package information for CVE-2011-0609 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2011-0609?

No fixed version has been published for CVE-2011-0609 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2011-0609 actively exploited in the wild?

Yes. There are 4 known exploit references for CVE-2011-0609, including 1 documented proof-of-concept exploit on Exploit-DB and 3 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2011-0609?

CVE-2011-0609 has an EPSS (Exploit Prediction Scoring System) score of 92.1%, placing it in the 100th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

Is CVE-2011-0609 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2011-0609 (Adobe Flash Player Unspecified Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2022-06-08. CISA required all US federal civilian agencies to remediate this vulnerability by 2022-06-22. The required action was: The impacted product is end-of-life and should be disconnected if still in use. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

Which products and versions are affected by CVE-2011-0609?

CVE-2011-0609 affects adobe acrobat (2 versions, e.g. 10.0, 10.0.1); adobe acrobat reader (2 versions, e.g. 10.0, 10.0.1); adobe air; adobe flash player, and 3 more product(s). Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2011-0609 published, and has it been updated?

CVE-2011-0609 was published on March 15, 2011 and was last updated on April 21, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CVE-2011-0609: Acrobat Remote Code Execution (High 7.8)

EPSS Exploitation Probability

via FIRST.org ↗

92.1%probability of exploitation in next 30 days

Very High Risk100th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

Unspecified vulnerability in Adobe Flash Player 10.2.154.13 and earlier on Windows, Mac OS X, Linux, and Solaris; 10.1.106.16 and earlier on Android; Adobe AIR 2.5.1 and earlier; and Authplay.dll (aka AuthPlayLib.bundle) in Adobe Reader and Acrobat 9.x through 9.4.2 and 10.x through 10.0.1 on Windows and Mac OS X, allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via crafted Flash content, as demonstrated by a .swf file embedded in an Excel spreadsheet, and as exploited in the wild in March 2011.

Affected Products

7 products · 15 configurations

Application

acrobatadobe

≥ 9.0 && ≤ 9.4.2

2 versions

10.010.0.1

Application

acrobat readeradobe

≥ 9.0 && ≤ 9.4.2

2 versions

10.010.0.1

Application

airadobe

≤ 2.5.1

range

Application

flash playeradobe

≤ 10.1.106.16

range

Application

chromegoogle

< 10.0.648.134

range

OS

opensuseopensuse

3 versions

11.211.311.4

Frequently Asked Questions

Unspecified vulnerability in Adobe Flash Player 10.2.154.13 and earlier on Windows, Mac OS X, Linux, and Solaris; 10.1.106.16 and earlier on Android; Adobe AIR 2.5.1 and earlier; and Authplay.dll (aka AuthPlayLib.bundle) in Adobe Reader and Acrobat 9.x through 9.4.2 and 10.x through 10.0.1 on Windows and Mac OS X, allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via crafted Flash content, as demonstrated by a .swf file embedded in an Excel spreadsheet, and as exploited in the wild in March 2011.

O3 Security · Impact-Aware SCA

Is CVE-2011-0609 in your stack?

O3 detects CVE-2011-0609 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

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