VULNERABILITY INTELLIGENCE
CVE-2021-28643
CVSS score3.3 LOW
EPSS probability1.92%
CISA KEVNot currently listed
Published2021-08-20
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Description
Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by a Type Confusion vulnerability. An unauthenticated attacker could leverage this vulnerability to disclose sensitive memory information in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Weakness classification
- CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')
Primary references
- psirt@adobe.com — Release Notes, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Vendor Advisory