VULNERABILITY INTELLIGENCE

CVE-2020-7881

CVSS score7.5 HIGH
EPSS probability1.44%
CISA KEVNot currently listed
Published2021-11-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • vuln@krcert.or.kr: CWE-190
  • nvd@nist.gov: CWE-787

Primary references