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    CVE-2021-40724

    Acrobat Reader for Android versions 21.8.0 (and earlier) are affected by a Path traversal vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

    Published:Oct 15, 2021
    Last Modified:Nov 21, 2024
    EPS:Oct 15, 2021
    EPSS Score:0.02695
    CVSS Score:7.8

    Affected Products

    Vendor
    Adobe
    Product
    Acrobat Reader
    Vendor
    Google
    Product
    Android

    Exploits

    https://github.com/tinopreter/DocViewerExploitApp

    Related CVEs

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    CVE-2026-81980 (CVSS 7.8) — Acrobat Reader is affected by an out-of-bounds write vulnerability that could result in arbitrary code executi…
    CVE-2026-81987 (CVSS 7.8) — Acrobat Reader is affected by an Integer Overflow or Wraparound vulnerability that could result in arbitrary c…
    CVE-2026-79909 (CVSS 7.8) — Acrobat Reader is affected by a Use After Free vulnerability that could result in arbitrary code execution in …
    CVE-2026-81977 (CVSS 5.5) — Acrobat Reader is affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could lead to discl…
    CVE-2026-81994 (CVSS 8.2) — Acrobat Reader is affected by an Improperly Controlled Modification of Object Prototype Attributes ('Prototype…
    CVE-2026-81979 (CVSS 7.8) — Acrobat Reader is affected by an out-of-bounds write vulnerability that could result in arbitrary code executi…
    CVE-2026-81992 (CVSS 7.8) — Acrobat Reader is affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code e…
    CVE-2026-81978 (CVSS 5.5) — Acrobat Reader is affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive m…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High