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Case File

CVE-2021-28546

MEDIUM · CVSS 6.5 EPSS 1.42% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-04-01 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.5. Public exploit code or proof-of-concept references have been detected in its references. Exploitation may require the attacker to be authenticated.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-28546
Severity
MEDIUM
CVSS
6.5
EPSS
1.42%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)