6.8

CVE-2021-39863

Adobe Acrobat Reader DC Heap-based Buffer Overflow Vulnerability Could Lead To Arbitrary Code Execution

Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Buffer Overflow vulnerability when parsing a specially crafted PDF file. 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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Adobe ≫ Acrobat Dc SwEdition continuous Version >= 15.008.20082 <= 21.005.20060
   Microsoft ≫ Windows Version -
Adobe ≫ Acrobat Dc SwEdition continuous Version >= 15.008.20082 <= 21.005.20058
   Apple ≫ macOS Version -
Adobe ≫ Acrobat Reader Dc SwEdition continuous Version >= 15.008.20082 <= 21.005.20060
   Microsoft ≫ Windows Version -
Adobe ≫ Acrobat Dc SwEdition continuous Version >= 15.008.20082 <= 21.005.20058
   Apple ≫ macOS Version -
Adobe ≫ Acrobat SwEdition classic Version >= 20.001.30005 <= 20.004.30006
   Apple ≫ macOS Version -
   Microsoft ≫ Windows Version -
Adobe ≫ Acrobat Reader SwEdition classic Version >= 20.001.30005 <= 20.004.30006
   Apple ≫ macOS Version -
   Microsoft ≫ Windows Version -
Adobe ≫ Acrobat 2017 SwEdition classic_2017 Version >= 17.011.30059 <= 17.011.30199
   Apple ≫ macOS Version -
   Microsoft ≫ Windows Version -
Adobe ≫ Acrobat Reader 2017 SwEdition classic_2017 Version >= 17.011.30059 <= 17.011.30199
   Apple ≫ macOS Version -
   Microsoft ≫ Windows Version -
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 13.19% 0.96
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 6.8 8.6 6.4
AV:N/AC:M/Au:N/C:P/I:P/A:P
Adobe 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-122 Heap-based Buffer Overflow

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

https://helpx.adobe.com/security/products/acrobat/apsb21-55.html
Vendor Advisory
Release Notes