Rapid7 Vulnerability & Exploit Database

APSB21-55: Adobe Acrobat and Reader for Windows and macOS (CVE-2021-39855)

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APSB21-55: Adobe Acrobat and Reader for Windows and macOS (CVE-2021-39855)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
09/29/2021
Created
03/29/2022
Added
03/28/2022
Modified
04/29/2022

Description

Acrobat Reader DC ActiveX Control versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by an Information Disclosure vulnerability. An unauthenticated attacker could leverage this vulnerability to obtain NTLMv2 credentials. Exploitation of this issue requires user interaction in that a victim must open a maliciously crafted Microsoft Office file, or visit an attacker controlled web page.

Solution(s)

  • adobe-acrobat-dc-upgrade-21-007-20091-macosx
  • adobe-acrobat-dc-upgrade-21-007-20091-windows
  • adobe-acrobat-reader-dc-upgrade-21-007-20091-macosx
  • adobe-acrobat-reader-dc-upgrade-21-007-20091-windows
  • adobe-acrobat-reader-upgrade-2017-011-30202-macosx
  • adobe-acrobat-reader-upgrade-2017-011-30202-windows
  • adobe-acrobat-reader-upgrade-2020-004-30015-macosx
  • adobe-acrobat-reader-upgrade-2020-004-30015-windows
  • adobe-acrobat-upgrade-2017-011-30202-macosx
  • adobe-acrobat-upgrade-2017-011-30202-windows
  • adobe-acrobat-upgrade-2020-004-30015-macosx
  • adobe-acrobat-upgrade-2020-004-30015-windows

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