CVE-2021-39855

Adobe Acrobat Reader DC NTLMv2 SSO Information Disclosure via src Parameter

State: Published
Severity: 6.5 Medium
Published: Sep 29, 2021
Updated: Sep 16, 2024
Reserved: Aug 23, 2021

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.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N	adobe

Weaknesses

CWE-200 Information Exposure (CWE-200)

Affected Products

Product	Versions
Acrobat ReaderAdobe	2020.004.30006 and earlierAffected 2017.011.30199 and earlierAffected 2021.005.20060 and earlierAffected None and earlierAffected

References

https://helpx.adobe.com/security/products/acrobat/apsb21-55.html

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