CVE-2021-44714 Adobe Acrobat Reader Missing Custom Protocols in Warning Message Prompts

2022-01-1100:00:00

CWE-657

adobe

www.cve.org

2.5 Low

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

5.2 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

29.0%

JSON

Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by a Violation of Secure Design Principles that could lead to a Security feature bypass. Acrobat Reader DC displays a warning message when a user clicks on a PDF file, which could be used by an attacker to mislead the user. In affected versions, this warning message does not include custom protocols when used by the sender. User interaction is required to abuse this vulnerability as they would need to click ‘allow’ on the warning message of a malicious file.

CNA Affected

[
  {
    "product": "Acrobat Reader",
    "vendor": "Adobe",
    "versions": [
      {
        "lessThanOrEqual": "21.007.20099",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "20.004.30017",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "17.011.30204",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "None",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]