Vulnerability Database

290,922

Total vulnerabilities in the database

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.

  • Published: Sep 29, 2021
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-39855
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.5
  • AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CVSS v2:

  • Severity: Low
  • Score: 4.3
  • AV:N/AC:M/Au:N/C:P/I:N/A:N

CWEs:

Software From Fixed in
adobe / acrobat 17.011.30059 17.011.30199.x
adobe / acrobat_reader 17.011.30059 17.011.30199.x
adobe / acrobat 20.001.30005 20.004.30006.x
adobe / acrobat_reader 20.001.30005 20.004.30006.x
adobe / acrobat_dc 15.008.20082 21.005.20058.x
adobe / acrobat_reader_dc 15.008.20082 21.005.20058.x
adobe / acrobat_dc 15.008.20082 21.005.20060.x
adobe / acrobat_reader_dc 15.008.20082 21.005.20060.x