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CVE-2021-39855

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CVE-2021-39855

Published: Sep 29, 2021

Modified: Sep 16, 2024

PUBLISHED

CVSS v3.1

6.5

MEDIUM

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.

VendorProductVersions

Adobe

Acrobat Reader

affected
unspecified - <= 2020.004.30006
affected
unspecified - <= 2017.011.30199
affected
unspecified - <= 2021.005.20060
affected
unspecified - <= None

Weaknesses (CWE)

CWE-200

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

References

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