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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2011-0609

Adobe Flash Player Unspecified Vulnerability

KEVEXPLOIT ✓HIGH 7.8EPSS 63.5%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 22 June 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

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.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
63.51% probability · 99th percentile
Public exploits
1 in Exploit-DB · verified · first 23 March 2011
CISA KEV
Listed 8 June 2022 · due 22 June 2022
Affected
adobe/flash player · adobe/acrobat · adobe/acrobat reader · adobe/air · opensuse/opensuse · suse/linux enterprise · google/chrome
Source
psirt@adobe.com
EPSS trend
0%33%65%24 September 2026: 63.51%30 October 2026: 63.51%24 September 202630 October 2026

EPSS moved from 63.5% on 24 September 2026 to 63.5% on 30 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

CISA notes

The impacted product is end-of-life and should be disconnected if still in use. https://nvd.nist.gov/vuln/detail/CVE-2011-0609

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-17027source ↗Adobe Flash Player - AVM Bytecode Verification (Metasploit)windows · Metasploitremote23 March 2011yes

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.