VendorsContiki-NGtinydtlsany version
Vulnerabilities

Contiki-NG Tinydtls any version

Ranked by severity, then by exploit likelihood. Click a CVE ID for its full record.

4CVEs
CVE-2021-42141
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.
Published 2024-01-22 · Modified
9.8EPSS 0.012
CVE-2021-42142
An issue was discovered in Contiki-NG tinyDTLS through master branch 53a0d97. DTLS servers mishandle the early use of a large epoch number. This vulnerability allows remote attackers to cause a denial of service and false-positive packet drops.
Published 2024-01-23 · Modified
9.8EPSS 0.010
CVE-2021-42143
An issue was discovered in Contiki-NG tinyDTLS through master branch 53a0d97. An infinite loop bug exists during the handling of a ClientHello handshake message. This bug allows remote attackers to cause a denial of service by sending a malformed ClientHello handshake message with an odd length of cipher suites, which triggers an infinite loop (consuming all resources) and a buffer over-read that can disclose sensitive information.
Published 2024-01-24 · Modified
9.1EPSS 0.008
CVE-2021-42145
An assertion failure discovered in in check_certificate_request() in Contiki-NG tinyDTLS through master branch 53a0d97 allows attackers to cause a denial of service.
Published 2024-01-24 · Modified
7.5EPSS 0.004