CVE-2021-46901
Published: 31 December 2023
Summary
CVE-2021-46901 is a high-severity Out-of-bounds Write (CWE-787) vulnerability in Cetic Cetic-6Lbr. Its CVSS base score is 7.5 (High).
Operationally, ranked at the 44.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-33549
Vulnerability details
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.