4.3

CVE-2021-21057

Acrobat Reader DC Invalid Memory Read Due To An Uninitialized Pointer

Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a null pointer dereference vulnerability when parsing a specially crafted PDF file. An unauthenticated attacker could leverage this vulnerability to achieve denial of service 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 SwEdition classic Version >= 17.0 <= 17.011.30188
   Apple ≫ macOS Version -
   Microsoft ≫ Windows Version -
Adobe ≫ Acrobat SwEdition classic Version >= 20.0 <= 20.001.30018
   Apple ≫ macOS Version -
   Microsoft ≫ Windows Version -
Adobe ≫ Acrobat Dc SwEdition continuous Version <= 20.013.20074
   Apple ≫ macOS Version -
   Microsoft ≫ Windows Version -
Adobe ≫ Acrobat Reader SwEdition classic Version >= 17.0 <= 17.011.30188
   Apple ≫ macOS Version -
   Microsoft ≫ Windows Version -
Adobe ≫ Acrobat Reader SwEdition classic Version >= 20.0 <= 20.001.300183
   Apple ≫ macOS Version -
   Microsoft ≫ Windows Version -
Adobe ≫ Acrobat Reader Dc SwEdition continuous Version <= 20.013.20074
   Apple ≫ macOS Version -
   Microsoft ≫ Windows Version -
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.09% 0.611
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 4.3 8.6 2.9
AV:N/AC:M/Au:N/C:N/I:N/A:P
Adobe 6.6 1.8 4.7
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://helpx.adobe.com/security/products/acrobat/apsb21-09.html
Vendor Advisory