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CVE-2021-31249

nvd nistnuclei
Published: Jun 4, 2021Modified: Jun 17, 2026

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6.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Exploitability: 3.9 / Impact: 2.5
Source: NVD

Description

A CRLF injection vulnerability was found on BF-430, BF-431, and BF-450M TCP/IP Converter devices from CHIYU Technology Inc due to a lack of validation on the parameter redirect= available on multiple CGI components.

Affected (3)

Chiyu Tech
3 products
Bf 430 Firmware
Bf 431 Firmware
Bf 450m Firmware
Configuration A
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Bf 430 Firmware
All versions
Running on/withPlatform Versions
Chiyu Tech
Bf 430
All versions
Configuration B
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Bf 431 Firmware
All versions
Running on/withPlatform Versions
Chiyu Tech
Bf 431
All versions
Configuration C
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Bf 450m Firmware
All versions
Running on/withPlatform Versions
Chiyu Tech
Bf 450m
All versions

Related CWEs

CWE-74
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.

References (6)

Source: cve@mitre.org
ExploitThird Party Advisory
Source: cve@mitre.org
ExploitThird Party Advisory
Source: cve@mitre.org
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

Timeline

No history available yet.