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PatchSiren cyber security CVE debrief

CVE-2011-0611 Adobe CVE debrief

CISA included CVE-2011-0611 in its Known Exploited Vulnerabilities catalog for Adobe Flash Player. The supplied CISA record says the impacted product is end-of-life and should be disconnected if still in use. For defenders, this is a legacy-software exposure that should be treated as urgent because the product is retired and appears in a known-exploitation catalog.

Vendor
Adobe
Product
Flash Player
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2022-03-03
Original CVE updated
2022-03-03
Advisory published
2022-03-03
Advisory updated
2022-03-03

Who should care

Asset owners and administrators with any remaining Adobe Flash Player installations, vulnerability management teams, SOC/IR teams, and endpoint teams responsible for legacy application cleanup.

Technical summary

The supplied source corpus identifies CVE-2011-0611 as an Adobe Flash Player remote code execution vulnerability and lists it in CISA's Known Exploited Vulnerabilities catalog. CISA's record adds a required action: the impacted product is end-of-life and should be disconnected if still in use. The practical defensive response is to find any remaining instances, remove or isolate them, and ensure no exposed systems still depend on Flash Player.

Defensive priority

Urgent

Recommended defensive actions

  • Inventory systems, browsers, plug-ins, and packaged applications for any remaining Adobe Flash Player usage.
  • Disconnect or remove any impacted Flash Player installations that are still present, consistent with the CISA KEV record.
  • Treat legacy Flash dependencies as a cleanup priority on the affected host, browser, or application path.
  • Verify that no externally reachable or user-accessible systems rely on Flash Player.
  • Use the KEV due date (2022-03-24) as historical context for the urgency of remediation in environments that may still carry this legacy software.

Evidence notes

The only source-backed facts used here are the CISA KEV listing for CVE-2011-0611, the product mapping to Adobe Flash Player, the KEV dateAdded of 2022-03-03, the dueDate of 2022-03-24, and CISA's note that the impacted product is end-of-life and should be disconnected if still in use. No vendor advisory was included in the supplied corpus.

Official resources

This debrief is based only on the supplied CISA KEV source item and the official links provided in the corpus. It does not rely on unsupported vendor details or unpublished advisories.