AUGUST 4, 2026
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Case File

CVE-2020-7881

HIGH · CVSS 7.5 EPSS 1.39% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-11-26 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.

Public Exploit Signal

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

Detected Signals
remote code execution code execution

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

CVE
CVE-2020-7881
Severity
HIGH
CVSS
7.5
EPSS
1.39%

Original NVD Description

The vulnerability function is enabled when the streamer service related to the AfreecaTV communicated through web socket using 21201 port. A stack-based buffer overflow leading to remote code execution was discovered in strcpy() operate by "FanTicket" field. It is because of stored data without validation of length.

Related CVEs

Other vulnerabilities affecting the same vendor(s)