Vulnerabilities > CVE-2021-38311 - Infinite Loop vulnerability in Contiki-Os Contiki 3.0
Attack vector
NETWORK Attack complexity
MEDIUM Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
PARTIAL Summary
In Contiki 3.0, potential nonterminating acknowledgment loops exist in the Telnet service. When the negotiated options are already disabled, servers still respond to DONT and WONT requests with WONT or DONT commands, which may lead to infinite acknowledgment loops, denial of service, and excessive CPU consumption.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| OS | 1 |