CVE-2021-38311
Published
CVSS v3
7.5
HIGH
CVSS v2
4.3
MEDIUM
Affected
1
PROJECT
Description
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.
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