VULNERABILITY INTELLIGENCE
CVE-2021-21042
CVSS score6.5 MEDIUM
EPSS probability14.70%
CISA KEVNot currently listed
Published2021-02-11
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Description
Acrobat Reader DC versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by an Out-of-bounds Read vulnerability that could lead to arbitrary disclosure of information in the memory stack. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Weakness classification
- psirt@adobe.com: CWE-125
Primary references
- psirt@adobe.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory