CVE-2021-39854 Adobe Acrobat Reader DC Null Pointer Dereference Could Lead To Application Denial-of-Service

2021-09-2915:39:21

CWE-476

adobe

www.cve.org

adobe acrobat reader

null pointer dereference

application denial-of-service

cve-2021-39854

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

AI Score

6.2

Confidence

High

EPSS

0.001

Percentile

30.4%

JSON

Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Null pointer dereference vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve an application 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.

CNA Affected

[
  {
    "product": "Acrobat Reader",
    "vendor": "Adobe",
    "versions": [
      {
        "lessThanOrEqual": "DC 2021 July",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "20.0-Classic 2021 July",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "17.0-Classic 2021 July",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "None",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]