CVE-2021-21743 — MEDIUM (4.3)

Vulnerability 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.

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Zte	Mf971R Firmware	v1.0.0b05
Zte	Mf971R	All versions

Related Weaknesses (CWE)

CWE-74

References

https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1019764Vendor Advisory
https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1019764Vendor Advisory

FAQ

What is CVE-2021-21743?

CVE-2021-21743 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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.

How severe is CVE-2021-21743?

CVE-2021-21743 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-21743?

Check the references section above for vendor advisories and patch information. Affected products include: Zte Mf971R Firmware, Zte Mf971R.