CVE-2021-46901 — HIGH (7.5)

Vulnerability 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.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Cetic	Cetic-6Lbr	1.5.0

Related Weaknesses (CWE)

CWE-787

References

https://github.com/cetic/6lbr/blob/c3092a1ccc6b6b0e668f33f6f4b2d6967975d664/examPatch
https://github.com/cetic/6lbr/issues/414ExploitIssue TrackingVendor Advisory
https://github.com/cetic/6lbr/blob/c3092a1ccc6b6b0e668f33f6f4b2d6967975d664/examPatch
https://github.com/cetic/6lbr/issues/414ExploitIssue TrackingVendor Advisory

FAQ

What is CVE-2021-46901?

CVE-2021-46901 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.

How severe is CVE-2021-46901?

CVE-2021-46901 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-46901?

Check the references section above for vendor advisories and patch information. Affected products include: Cetic Cetic-6Lbr.