CVE-2021-39855

MEDIUM Year: 2021
CVSS v3 Score
6.5
Medium
CVSS v2 Score
4.3
Medium
Weakness Type
CWE-200
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Vulnerability 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.

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