CVE-2021-21282
Published: 18 June 2021
Summary
CVE-2021-21282 is a high-severity Classic Buffer Overflow (CWE-120) vulnerability in Contiki-Ng Contiki-Ng. Its CVSS base score is 8.6 (High).
Operationally, ranked in the top 36.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-8653
Vulnerability details
Contiki-NG is an open-source, cross-platform operating system for internet of things devices. In versions prior to 4.5, buffer overflow can be triggered by an input packet when using either of Contiki-NG's two RPL implementations in source-routing mode. The problem has…
more
been patched in Contiki-NG 4.5. Users can apply the patch for this vulnerability out-of-band as a workaround.
- 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.
Platform-independent managed code eliminates the need for unchecked native buffer copies that are the root cause of classic buffer overflows.