Exploited vulnerability · CISA KEV

Is CVE-2011-0611 exploited? Yes: in CISA KEV since 3 Mar 2022

Gociux · Adobe Flash Player · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2011-0611, Adobe Flash Player Remote Code Execution Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 3 Mar 2022, 3977 days after it was published. It affects Adobe Flash Player. If you run it, CISA's required action is: The impacted product is end-of-life and should be disconnected if still in use.

exploitedYesCISA KEV · 3 Mar 2022

ransomwareNot knownno confirmed use

EPSStop 1%among the most likely CVEs to be exploited

severity8.8CVSS 3.1 · high

US federal due24 Mar 2022BOD 22-01 deadline

What it is

Adobe Flash Player contains a vulnerability that allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via crafted Flash content.

Vendor	Adobe (83 exploited CVEs in KEV)
Product	Flash Player
Vulnerability	Adobe Flash Player Remote Code Execution Vulnerability
Weakness	CWE-843
Published	13 Apr 2011
Added to KEV	3 Mar 2022
Reported by (CNA)	adobe

What to do

Check whether you run it. Look for Flash Player in your asset inventory, including appliances and cloud images. Stack check lists every exploited Adobe CVE at once.
Apply the fix. The impacted product is end-of-life and should be disconnected if still in use.
If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 13 Apr 2011.
Get told next time. Email alerts when CISA adds a CVE for Adobe.

Other exploited CVEs in Flash Player

CVE-2014-0502: Adobe Flash Player Double Free Vulnerablity (17 Sep 2024)
CVE-2013-0648: Adobe Flash Player Code Execution Vulnerability (17 Sep 2024)
CVE-2013-0643: Adobe Flash Player Incorrect Default Permissions Vulnerability (17 Sep 2024)
CVE-2014-0497: Adobe Flash Player Integer Underflow Vulnerablity (17 Sep 2024)
CVE-2012-5054: Adobe Flash Player Integer Overflow Vulnerability (8 Jun 2022)
CVE-2012-0767: Adobe Flash Player Cross-Site Scripting (XSS) Vulnerability (8 Jun 2022)

References

nvd.nist.gov/vuln/detail/CVE-2011-0611

Questions

Is CVE-2011-0611 being exploited?

Yes. CISA added CVE-2011-0611 to the Known Exploited Vulnerabilities catalog on 3 Mar 2022, which means there is reliable evidence of exploitation in the wild.

Is CVE-2011-0611 used in ransomware attacks?

CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.

How do I fix CVE-2011-0611?

The impacted product is end-of-life and should be disconnected if still in use. Check Adobe's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected Flash Player and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in March 2022 · Adobe scorecard · act-now radar.

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