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Case File

CVE-2021-28637

HIGH · CVSS 7.8 EPSS 2.76% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-08-20 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.8. 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-2021-28637
Severity
HIGH
CVSS
7.8
EPSS
2.76%

Original NVD Description

Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by an out-of-bounds read vulnerability. An unauthenticated attacker could leverage this vulnerability achieve arbitrary read / write system information in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Related CVEs

Other vulnerabilities affecting the same vendor(s)