Cyber Risks · Cisco Talos

Vulnerability Spotlight: Code execution vulnerability in Adobe Acrobat Reader

Summary: Cisco Talos discovered an arbitrary code execution vulnerability in Adobe Acrobat Reader, tracked as TALOS-2021-1233 (CVE-2021-28562), which exploits JavaScript queries in a way that could let an attacker execute code on the targeted machine. Exploitation requires tricking a user into opening a specially crafted malicious PDF, and Talos confirmed version 2020.013.20074 could be exploited while working with Adobe on an update.

Bottom line: The entry point is a PDF opened by a user, and Talos confirmed the listed Acrobat Reader version could be exploited, so the exposure sits on the endpoint where documents are routinely opened rather than behind a perimeter control.

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Topics
Vulnerabilities & Patching
Mentions
CVE-2021-28562
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