CVE-2021-21282CWE-120

Buffer overflow in RPL source routing header processing

High · published June 18, 2021

CVSS v3.1
8.6
EPSS
1%
Percentile
62.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.6 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
CVSS v4.0
Not supplied
EPSS
0.00993 · 62.3th percentile
Weakness
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2021-06-18T20:00Z
EPSS history
Timeline
  • 18 JUN 20:00Z
    Buffer overflow in RPL source routing header processing
    cvelistv5