title: Adobe Acrobat Reader use-after-free could lead to arbitrary code execution
description: Acrobat Reader DC versions versions 2021.001.20150 (and earlier), 2020.001.30020 (and earlier) and 2017.011.30194 (and earlier) are affected by a Use After Free vulnerability when executing search queries through Javascript. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
problem types: Use After Free (CWE-416)
affected:
{
product: Acrobat Reader
vendor: Adobe
versions:
lessThanOrEqual: 2020.001.30020, status: affected, version: unspecified, versionType: custom
lessThanOrEqual: 2021.001.20150, status: affected, version: unspecified, versionType: custom
lessThanOrEqual: 2017.011.30194, status: affected, version: unspecified, versionType: custom
lessThanOrEqual: None, status: affected, version: unspecified, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 8.8
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
version: 3.1
]