CVE-2020-13985

Contiki vulnerability

CVSS

7.5

EPSS

4.8%

EPSS pct

91th

Exploited

No known

An issue was discovered in Contiki through 3.0. A memory corruption vulnerability exists in the uIP TCP/IP stack component when handling RPL extension headers of IPv6 network packets in rpl_remove_header in net/rpl/rpl-ext-header.c.

Affected vendor

Contiki Os

Affected product

Contiki

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness type (CWE)

CWE-190 — Integer Overflow or Wraparound
CWE-681 — Incorrect Conversion between Numeric Types
CWE-787 — Out-of-bounds Write

Published

2020-12-11

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to availability.

Its EPSS score of 4.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2020-13985

Confirm whether Contiki Os Contiki is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2020-13985.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-13985

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