CVE-2021-39856 MEDIUM

CVE-2021-39856: Adobe Acrobat Reader DC NTLMv2 SSO Information Disclosure via LoadFile

Vendor Adobe
Product Acrobat Reader
Weakness CWE-200 · Info exposure
Published September 29, 2021
Last update September 16, 2024
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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 visit an attacker controlled web page.

Key dates

02Disclosure timeline

September 29, 2021 CVE published
September 16, 2024 Record updated