What’s Vulnerable › Vulnerabilities

CVE-2020-24335

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-02-02 · updated 2026-06-17
• Weakness: CWE-125

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.

Affected products

• Uip Project Uip: through 1.0

References

• https://github.com/adamdunkels/uip
• https://github.com/contiki-ng/contiki-ng
• https://github.com/contiki-os/contiki
• https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01
• https://www.kb.cert.org/vuls/id/815128
• https://github.com/adamdunkels/uip
• https://github.com/contiki-ng/contiki-ng
• https://github.com/contiki-os/contiki
• https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01
• https://www.kb.cert.org/vuls/id/815128

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