CVE-2020-24335
HIGHCVSS 7.5/10EPSS 3.04%
Last modified
CVE-2020-24335 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 3.04% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Uip Project | Uip | <= 1.0 |
References
- https://github.com/adamdunkels/uipProduct, Third Party Advisory
- https://github.com/contiki-ng/contiki-ngProduct, Third Party Advisory
- https://github.com/contiki-os/contikiProduct, Third Party Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01Third Party Advisory, US Government Resource
- https://www.kb.cert.org/vuls/id/815128Third Party Advisory, US Government Resource
- https://github.com/adamdunkels/uipProduct, Third Party Advisory
- https://github.com/contiki-ng/contiki-ngProduct, Third Party Advisory
- https://github.com/contiki-os/contikiProduct, Third Party Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01Third Party Advisory, US Government Resource
- https://www.kb.cert.org/vuls/id/815128Third Party Advisory, US Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-24335?
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.
How severe is CVE-2020-24335?
CVE-2020-24335 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.04% probability of exploitation in the next 30 days.
How do I fix CVE-2020-24335?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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Are you affected by CVE-2020-24335?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST