CVE-2021-40724: 
Adobe Acrobat Reader Continuous vulnerability analysis and mitigation

Acrobat Reader for Android versions 21.8.0 and earlier were affected by a Path traversal vulnerability identified as CVE-2021-40724. The vulnerability was discovered and reported by security researcher hulkvision_, with Adobe officially acknowledging and disclosing the issue on October 12, 2021 (Adobe Security, NVD).

The vulnerability is classified as a Path Traversal vulnerability (CWE-22), which involves improper limitation of a pathname to a restricted directory. The severity of this vulnerability was rated as Important by Adobe (Adobe Security).

If successfully exploited, this vulnerability could allow an unauthenticated attacker to achieve arbitrary code execution in the context of the current user. However, exploitation requires user interaction, specifically requiring the victim to open a malicious file (CVE Mitre).

Adobe addressed this vulnerability through a security update released on October 12, 2021. Users of affected versions of Acrobat Reader for Android were advised to update their software to the latest version (Adobe Security).