CVE Vulnerability

CVE-2021-21282

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 been patched in Contiki-NG 4.5. Users can apply the patch for this vulnerability out-of-band as a workaround.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/contiki-ng/contiki-ng/pull/1183 Patch Third Party Advisory
https://github.com/contiki-ng/contiki-ng/security/advisories/GHSA-6xf2-77gf-fgjx Patch Third Party Advisory
Configurations

Configuration 1

cpe:2.3:o:contiki-ng:contiki-ng:*:*:*:*:*:*:*:*
Information

Published : 2021-06-18 08:15

Updated : 2021-06-24 07:11

NVD link : CVE-2021-21282

Mitre link : CVE-2021-21282

Products Affected
No products.
CWE
CWE-120