CVE-2021-39855

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.
References
Link Resource
https://helpx.adobe.com/security/products/acrobat/apsb21-55.html Release Notes Vendor Advisory
Configurations

Configuration 1 (hide)

AND
OR cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*
cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*
OR cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND
OR cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*
cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*
OR cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND
OR cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*
cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
OR cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*
cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

History

07 Oct 2021, 00:17

Type Values Removed Values Added
CPE cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*
cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*
cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
References (MISC) https://helpx.adobe.com/security/products/acrobat/apsb21-55.html - (MISC) https://helpx.adobe.com/security/products/acrobat/apsb21-55.html - Release Notes, Vendor Advisory
CVSS v2 : unknown
v3 : unknown
v2 : 4.3
v3 : 6.5

29 Sep 2021, 16:44

Type Values Removed Values Added
New CVE

Information

Published : 2021-09-29 16:15

Updated : 2023-12-10 14:09


NVD link : CVE-2021-39855

Mitre link : CVE-2021-39855

CVE.ORG link : CVE-2021-39855


JSON object : View

Products Affected

adobe

  • acrobat
  • acrobat_reader_dc
  • acrobat_dc
  • acrobat_reader

microsoft

  • windows

apple

  • macos
CWE
CWE-200

Exposure of Sensitive Information to an Unauthorized Actor