AUGUST 4, 2026
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Case File

CVE-2021-21938

CRITICAL · CVSS 9.8 EPSS 1.79% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-04-14 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

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

Detected Signals
code execution

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

CVE
CVE-2021-21938
Severity
CRITICAL
CVSS
9.8
EPSS
1.79%

Original NVD Description

A heap-based buffer overflow vulnerability exists in the Palette box parser functionality of Accusoft ImageGear 19.10. A specially-crafted file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.