CVE-2021-38311

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Summary

CVECVE-2021-38311
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-08-09 22:15:00 UTC
Updated2021-08-17 18:36:00 UTC
DescriptionIn 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.

Risk And Classification

Problem Types: CWE-835

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Contiki-os Contiki 3.0 All All All

References

ReferenceSourceLinkTags
Telnet servers potentially lead to nonterminating acknowledgment loops · Issue #2685 · contiki-os/contiki · GitHub MISC github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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