CVE-2020-25112
CRITICALCVSS 9.8/10EPSS 26.83%
Last modified
CVE-2020-25112 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue was discovered in the IPv6 stack in Contiki through 3.0. There are inconsistent checks for IPv6 header extension lengths. EPSS estimates a 26.83% chance of exploitation in the next 30 days.
Description
An issue was discovered in the IPv6 stack in Contiki through 3.0. There are inconsistent checks for IPv6 header extension lengths. This leads to Denial-of-Service and potential Remote Code Execution via a crafted ICMPv6 echo packet.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Contiki-Os | Contiki-Os | <= 3.0 |
References
- 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://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-2020-25112?
An issue was discovered in the IPv6 stack in Contiki through 3.0. There are inconsistent checks for IPv6 header extension lengths. This leads to Denial-of-Service and potential Remote Code Execution via a crafted ICMPv6 echo packet.
How severe is CVE-2020-25112?
CVE-2020-25112 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 26.83% probability of exploitation in the next 30 days.
How do I fix CVE-2020-25112?
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.
Are you affected by CVE-2020-25112?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST