6.6

CVE-2021-21057

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.

Data is provided by the National Vulnerability Database (NVD)
Adobe ≫ Acrobat SwEditionclassic Version >= 17.0 <= 17.011.30188
   Apple ≫ macOS Version-
   Microsoft ≫ Windows Version-
Adobe ≫ Acrobat SwEditionclassic Version >= 20.0 <= 20.001.30018
   Apple ≫ macOS Version-
   Microsoft ≫ Windows Version-
Adobe ≫ Acrobat Dc SwEditioncontinuous Version <= 20.013.20074
   Apple ≫ macOS Version-
   Microsoft ≫ Windows Version-
Adobe ≫ Acrobat Reader SwEditionclassic Version >= 17.0 <= 17.011.30188
   Apple ≫ macOS Version-
   Microsoft ≫ Windows Version-
Adobe ≫ Acrobat Reader SwEditionclassic Version >= 20.0 <= 20.001.300183
   Apple ≫ macOS Version-
   Microsoft ≫ Windows Version-
Adobe ≫ Acrobat Reader Dc SwEditioncontinuous Version <= 20.013.20074
   Apple ≫ macOS Version-
   Microsoft ≫ Windows Version-
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.65% 0.698
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 4.3 8.6 2.9
AV:N/AC:M/Au:N/C:N/I:N/A:P
psirt@adobe.com 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.