CVE-2021-28546

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are missing support for an integrity check. An unauthenticated attacker could leverage this vulnerability to modify content in a certified PDF without invalidating the certification. Exploitation of this issue requires user interaction in that a victim must open the tampered file.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-353

Affected software

No affected versions have been published.

Timeline

Published
Apr 1, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-28546: Medium severity, CVSS 6.5 | Vulnix