#VU57427 HTTP response splitting in MF971R - CVE-2021-21743

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Main Vulnerability Database Vulnerabilities #VU57427

#VU57427 HTTP response splitting in MF971R - CVE-2021-21743

Published: October 19, 2021


Vulnerability identifier: #VU57427
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-21743
CWE-ID: CWE-113
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
MF971R
Software vendor:
ZTE

Description

The vulnerability allows a remote attacker to perform HTTP splitting attacks.

The vulnerability exists due to software does not corrector process CRLF character sequences. A remote attacker can send specially crafted request containing CRLF sequence and make the application to send a split HTTP response.

Successful exploitation of the vulnerability may allow an attacker perform cache poisoning attack.


Remediation

Install updates from vendor's website.

External links