title: Adobe Acrobat Reader DC NTLMv2 SSO Information Disclosure via src Parameter
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.
problem types: Information Exposure (CWE-200)
affected:
{
product: Acrobat Reader
vendor: Adobe
versions:
lessThanOrEqual: 2020.004.30006, status: affected, version: unspecified, versionType: custom
lessThanOrEqual: 2017.011.30199, status: affected, version: unspecified, versionType: custom
lessThanOrEqual: 2021.005.20060, status: affected, version: unspecified, versionType: custom
lessThanOrEqual: None, status: affected, version: unspecified, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 6.5
baseSeverity: MEDIUM
confidentialityImpact: HIGH
integrityImpact: NONE
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
version: 3.1
]