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CVE-2021-40724: Adobe Acrobat Reader Android Abritrary Code Execution Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-10-15 · updated 2026-06-17
• Weakness: CWE-22

Description

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.

Affected products

• Adobe Acrobat Reader: through 21.8.0

References

• https://helpx.adobe.com/security/products/reader-mobile/apsb21-89.html
• https://helpx.adobe.com/security/products/reader-mobile/apsb21-89.html

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