CISA KEV · Known exploitedHigh

CVE-2011-0611

Adobe Flash Player

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 .s...

CVSS: 8.8
EPSS: 94.2%
CISA KEV: Listed
Published: 2011.04.13

PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV

Exploit probability94.2%

Technical severityCVSS 8.8

Vulnerability overview

Affected product and versions

Product: Adobe Flash Player
Affected versions: 9.0, 10.0, < 10.2.154.27, <= 10.2.156.12, >= 9.0 < 9.4.4, >= 10.0 <= 10.0.1, < 2.6.19140, >= 10.0 < 10.0.3, >= 9.0 < 9.4, < 10.0.648.205, 11.2, 11.3, 11.4, 10, 11
Fixed versions: 10.2.154.27, 9.4.4, 2.6.19140, 10.0.3, 9.4, 10.0.648.205

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

CISA required action

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

Due date: 2022.03.24

1
Identify
Confirm that Adobe Flash Player and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE: CWE-843
KEV added: 2022.03.03
Ransomware use: 미확인