by Kastro
Paper/Archive/CVE-2021-42141

CVE-2021-42141

mitre — An issue was discovered in Contiki-NG tinyDTLS through 2018-08-30.

EPSS 1%CVSS 9.8
critical.is priorityof 100
43
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 67.7.677 × 2013.5No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

An issue was discovered in Contiki-NG tinyDTLS through 2018-08-30. One incorrect handshake could complete with different epoch numbers in the packets Client_Hello, Client_key_exchange, and Change_cipher_spec, which may cause denial of service.

Affected

ProductAffectedFixed inSource
n/an/a–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADP7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: partial

References

refgithub.com/contiki-ng/tinydtls/issues/27refpacketstormsecurity.com/files/176625/Contiki-NG-tinyDTLS-Denial-Of-Service.htmlrefseclists.org/fulldisclosure/2024/Jan/14refseclists.org/fulldisclosure/2024/Jan/14