CVE-2021-21017
Adobe Acrobat and Reader Heap-based Buffer Overflow Vulnerability
CVSS
—
Sin CVSS
EPSS
86.2%
p100
KEV
SÍ
3 nov 2021
Exploit Today
80
0-100
Publicado: — · Última mod.: —
86.2%EPSS · 30 días86.2%
2026-06-302026-07-16
Producto
Adobe / Acrobat and Reader
Vulnerabilidad
Adobe Acrobat and Reader Heap-based Buffer Overflow Vulnerability
Añadido a KEV
3 nov 2021
Remediar antes de
17 nov 2021
Uso conocido en ransomware
No
Descripción resumida
Acrobat Acrobat and Reader contain a heap-based buffer overflow vulnerability that could allow an unauthenticated attacker to achieve code execution in the context of the current user.
Acción requerida
Apply updates per vendor instructions.
Notas
https://nvd.nist.gov/vuln/detail/CVE-2021-21017
CVECVSSEPSSKEVRExplotTítuloVis.
CVE-2008-2992—99.9%
KEV—80Adobe Reader and Acrobat Input Validation Vulnerability—CVE-2007-5659—99.8%
KEV—80Adobe Acrobat and Reader Buffer Overflow Vulnerability—CVE-2009-3459—99.7%
KEV—80Adobe Acrobat and Reader Heap-Based Buffer Overflow Vulnerability—CVE-2009-3953—99.7%
KEV—80Adobe Acrobat and Reader Universal 3D Remote Code Execution Vulnerability—CVE-2010-2883—99.6%
KEV—80Adobe Acrobat and Reader Stack-Based Buffer Overflow Vulnerability—CVE-2009-4324—99.6%
KEV—80Adobe Acrobat and Reader Use-After-Free Vulnerability—