An issue was discovered in Contiki through 3.0.
Priority LOW 38CWE-835Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-835.
Summary
An issue was discovered in Contiki through 3.0. An infinite loop 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.
Why it matters now
EPSS 0.03051 87th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:contiki-os:contiki:*:*:*:*:*:*:*:* | up to 3.0 | Vulnerable | Contiki-os |
- cpe:2.3:o:contiki-os:contiki:*:*:*:*:*:*:*:* Versions up to 3.0 Vulnerable ·Contiki-os
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-13986
- 2026-10-03 Alias added: GHSA-63p4-w7wr-6hxg
References
More Contiki-os Contiki vulnerabilities
- TI-2020-14885 An issue was discovered in Contiki through 3.0 and Contiki-NG through 4.5. CVSS 3.1CRITICAL 9.8
- TI-2019-06001 An issue was discovered in Contiki-NG through 4.3 and Contiki through 3.0. CVSS 3.1CRITICAL 9.8
- TI-2020-10954 An issue was discovered in Contiki through 3.0. CVSS 3.1HIGH 7.5
- TI-2019-06643 An issue was discovered in Contiki-NG through 4.3 and Contiki through 3.0. CVSS 3.1HIGH 7.5
- TI-2021-09524 An issue was discovered in Contiki through 3.0. CVSS 3.1HIGH 7.5
- TI-2020-10953 An issue was discovered in Contiki through 3.0. CVSS 3.1HIGH 7.5
Sources
- CVE-2020-13986 · CVE Program
- CVE-2020-13986 · NVD
- FIRST EPSS
- GHSA-63p4-w7wr-6hxg · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences