Vulnerability Monitor

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CVE-2021-39863

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.

Published

2021-09-29T16:15:11.190

Last Modified

2024-11-21T06:20:24.907

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

8.6

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-122
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application adobe acrobat_dc ≤ 21.005.20060 Yes
Operating System microsoft windows - No
Application adobe acrobat_dc ≤ 21.005.20058 Yes
Operating System apple macos - No
Application adobe acrobat_reader_dc ≤ 21.005.20060 Yes
Operating System microsoft windows - No
Application adobe acrobat_dc ≤ 21.005.20058 Yes
Operating System apple macos - No
Application adobe acrobat ≤ 20.004.30006 Yes
Application adobe acrobat_reader ≤ 20.004.30006 Yes
Operating System apple macos - No
Operating System microsoft windows - No
Application adobe acrobat_2017 ≤ 17.011.30199 Yes
Application adobe acrobat_reader_2017 ≤ 17.011.30199 Yes
Operating System apple macos - No
Operating System microsoft windows - No
References