CVE-2021-46901

Public Exploit

Description

examples/6lbr/apps/6lbr-webserver/httpd.c in CETIC-6LBR (aka 6lbr) 1.5.0 has a strcat stack-based buffer overflow via a request for a long URL over a 6LoWPAN network.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.21%
Vendor Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/cetic/6lbr/issues/414 vendor advisory issue tracking exploit
https://github.com/cetic/6lbr/blob/c3092a1ccc6b6b0e668f33f6f4b2d6967975d664/examples/6lbr/apps/6lbr-webserver/httpd.c#L119 patch

Frequently Asked Questions

What is the severity of CVE-2021-46901?
CVE-2021-46901 has been scored as a high severity vulnerability.
How to fix CVE-2021-46901?
To fix CVE-2021-46901, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-46901 being actively exploited in the wild?
It is possible that CVE-2021-46901 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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