Adobe Flash Player

CVE-2011-0609: Adobe Flash Player Unspecified Vulnerability

Is it exploited?

Yes. CISA added it to the Known Exploited Vulnerabilities catalog on 8 Jun 2022, 4,103 days after the CVE record was published.

How likely is exploitation in the next 30 days?

63.5%

EPSS score, percentile 99.2 of all scored records

How severe?

7.8 High

CVSS v3.1 base score, from CISA's enrichment of the record

What should I do?

CISA deadline 22 Jun 2022. The impacted product is end-of-life and should be disconnected if still in use.

Advisories and patches (2)

Which versions are affected?

Not stated. The CVE record gives vendor and product as “n/a” and the version as “unspecified”.

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

What to do

Required action, set by CISA

The impacted product is end-of-life and should be disconnected if still in use.

CISA due date for this action: 22 June 2022.

Advisories and patches

SUSE-SR:2011:005 (Vendor advisory)
RHSA-2011:0372 (Vendor advisory)

Linked from CISA's catalog entry

https://nvd.nist.gov/vuln/detail/CVE-2011-0609

Affected products and versions

The CVE record does not name affected products or versions: vendor and product are “n/a” and the version is “unspecified”.

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

About this vulnerability

Adobe Flash Player contains an unspecified vulnerability that allows remote attackers to execute code or cause denial-of-service (DoS).

Summary: CISA's KEV catalog, as of 28 Oct 2026.

CISA added CVE-2011-0609 to its Known Exploited Vulnerabilities (KEV) catalog on 8 Jun 2022.
CISA's ransomware flag for this entry is "Unknown": no evidence of ransomware use in the catalog, which is not proof of none.
The due date CISA sets for the required action is 22 Jun 2022.
The CVE record was published on 15 Mar 2011, 4,103 days before it was added to KEV.
The CVE record carries a CVSS v3.1 base score of 7.8 (High), taken from CISA's enrichment of the record.
FIRST's EPSS model puts the probability of exploitation in the next 30 days at 63.5% (percentile 99.2), as of 28 Oct 2026.
CISA's SSVC assessment in the CVE record: exploitation active, automatable no, technical impact total.

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026. About the data.

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.

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

Timeline

Date	Event
15 Mar 2011	CVE record published
8 Jun 2022	Added to CISA KEV
22 Jun 2022	CISA due date for the required action
22 Oct 2025	CVE record last updated

References

43751 (Third-party advisory)
43856 (Third-party advisory)
VU#192052 (Third-party advisory)
43772 (Third-party advisory)
8152 (Third-party advisory)
43757 (Third-party advisory)
46860 (Vulnerability database)
ADV-2011-0732 (Vulnerability database)
oval:org.mitre.oval:def:14147 (Vulnerability database)
ADV-2011-0656 (Vulnerability database)

10 more in the CVE record.

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