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Case File

CVE-2021-21751

HIGH · CVSS 8.1 EPSS 0.83% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-12-27 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.1. Public exploit code or proof-of-concept references have been detected in its references.

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-2021-21751
Severity
HIGH
CVSS
8.1
EPSS
0.83%

Original NVD Description

ZTE BigVideo analysis product has an input verification vulnerability. Due to the inconsistency between the front and back verifications when configuring the large screen page, an attacker with high privileges could exploit this vulnerability to tamper with the URL and cause service exception.

Related CVEs

Other vulnerabilities affecting the same vendor(s)