What’s Vulnerable › Vulnerabilities
CVE-2021-38387
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.0% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2021-08-10 · updated 2026-06-17
- Weakness: CWE-835
Description
In Contiki 3.0, a Telnet server that silently quits (before disconnection with clients) leads to connected clients entering an infinite loop and waiting forever, which may cause excessive CPU consumption.
Affected products
- Contiki-Os Contiki: 3.0
References
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