Buffer overflow in Contiki-os Contiki

CVE-2020-17437

An issue was discovered in uIP 1.0, as used in Contiki 3.0 and other products. When the Urgent flag is set in a TCP packet, and the stack is configured to ignore the urgent data, the stack attempts to use the value of the Urgent pointer by…

Vulnerability class: Buffer Overflow

EPSS: 0.028 (84.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (US Government Resource, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (US Government Resource, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2020-17437?
CVE-2020-17437 is a high-severity vulnerability in Contiki-os Contiki, classified under Out-of-bounds Write. CVSS score: 8.2/10. Published 2020-12-11.
How severe is CVE-2020-17437?
High severity. CVSS v3 base score is 8.2 out of 10.