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Case File

CVE-2021-21743

MEDIUM · CVSS 4.3 EPSS 0.82% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-10-20 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 4.3. 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-2021-21743
Severity
MEDIUM
CVSS
4.3
EPSS
0.82%

Original NVD Description

ZTE MF971R product has a CRLF injection vulnerability. An attacker could exploit the vulnerability to modify the HTTP response header information through a specially crafted HTTP request.

Related CVEs

Other vulnerabilities affecting the same vendor(s)