CVE-2021-21045: Adobe Acrobat

High severity, CVSS 8.2. EPSS: 1.8% chance of exploitation in the next 30 days.

Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by an improper access control vulnerability. An unauthenticated attacker could leverage this vulnerability to elevate privileges in the context of the current user.

Affected products

• Adobe Acrobat: from 17.0, up to and including 17.011.30188; from 20.0, up to and including 20.001.30018
• Adobe Acrobat DC: up to and including 20.013.20074
• Adobe Acrobat Reader: from 17.0, up to and including 17.011.30188; from 20.0, up to and including 20.001.300183
• Adobe Acrobat Reader DC: up to and including 20.013.20074

Published 2021-02-11. Last modified 2026-06-17.