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CVE-2021-47970

HIGH · CVSS 7.5 EPSS 0.05% Public Exploit

Source: NVD + CISA KEV + EPSS · Published: 2026-05-16 · Last synced: 2026-06-09

CyberRota Analysis

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Public Exploit Signal

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

External Security References

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CVE
CVE-2021-47970
Severity
HIGH
CVSS
7.5
EPSS
0.05%

Original NVD Description

Macaron Notes 5.5 contains a denial of service vulnerability that allows attackers to crash the application by creating notes with excessively long character strings. Attackers can generate a payload containing 350000 repeated characters and paste it into a note field to trigger application crash and stop functionality.