An issue was discovered in uIP through 1.0, as used in Contiki and Contiki-NG.
Priority LOW 38CWE-125Published · 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-125 and the CVSS impact.
Summary
An issue was discovered in uIP through 1.0, as used in Contiki and Contiki-NG. Domain name parsing lacks bounds checks, allowing an attacker to corrupt memory with crafted DNS packets.
Why it matters now
EPSS 0.03081 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 · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:uip_project:uip:*:*:*:*:*:*:*:* | up to 1.0 | Vulnerable | Uip Project |
| cpe:2.3:o:contiki-ng:contiki-ng:-:*:*:*:*:*:*:* | not specified by NVD | Running on | contiki-ng |
| cpe:2.3:o:contiki-os:contiki:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Contiki-os |
- cpe:2.3:a:uip_project:uip:*:*:*:*:*:*:*:* Versions up to 1.0 Vulnerable ·Uip Project
- cpe:2.3:o:contiki-ng:contiki-ng:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·contiki-ng
- cpe:2.3:o:contiki-os:contiki:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Contiki-os
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-24335
- 2026-10-03 Alias added: GHSA-h4mf-p43f-8979
References
More Uip Project Uip vulnerabilities
- TI-2020-13204 An issue was discovered in uIP 1.0, as used in Contiki 3.0 and other products. CVSS 3.1CRITICAL 9.8
- TI-2020-13205 An issue was discovered in uIP 1.0, as used in Contiki 3.0 and other products. CVSS 3.1HIGH 8.3
- TI-2020-13203 An issue was discovered in uIP 1.0, as used in Contiki 3.0 and other products. CVSS 3.1HIGH 8.2
- TI-2020-14883 The code that processes DNS responses in uIP through 1.0, as used in Contiki and… CVSS 3.1HIGH 8.2
- TI-2020-10956 An issue was discovered in Contiki through 3.0. CVSS 3.1HIGH 7.5
- TI-2020-13206 An issue was discovered in uIP 1.0, as used in Contiki 3.0 and other products. CVSS 3.1HIGH 7.5
Sources
- CVE-2020-24335 · CVE Program
- CVE-2020-24335 · NVD
- FIRST EPSS
- GHSA-h4mf-p43f-8979 · GitHub Advisory Database · CC BY 4.0
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