CVE-2021-31249 Other in n/a

Medium 6.5 Published Updated

Attackers can inject CRLF sequences via the redirect parameter in CGI components of CHIYU TCP/IP Converter devices.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-31249?

CVE-2021-31249 is a medium-severity vulnerability in n/a, published on 4 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-74

Which versions are affected by CVE-2021-31249?

It affects 3 products.

Products include Chiyu-Tech Bf-430 Firmware, Chiyu-Tech Bf-431 Firmware, Chiyu-Tech Bf-450m Firmware.

How do I fix CVE-2021-31249?

No fix has been published for CVE-2021-31249 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-31249 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-31249 exists.

Public exploit code: 1 Nuclei template.

Sources

Also known as GHSA-7ccm-338c-fv4r.

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