An issue was discovered in Contiki-NG tinyDTLS through master branch 53a0d97. DTLS servers allow remote attackers to reuse the same epoch number within two times the TCP maximum segment lifetime, which is prohibited in RFC6347. This vulnerability allows remote attackers to obtain sensitive application (data of connected clients).
Metrics
Affected Vendors & Products
References
History
Fri, 20 Jun 2025 20:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-303 | |
| Metrics |
ssvc
|
Fri, 22 Nov 2024 12:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
Status: PUBLISHED
Assigner: mitre
Published: 2024-01-24T00:00:00.000Z
Updated: 2025-06-20T19:19:37.327Z
Reserved: 2021-10-11T00:00:00.000Z
Link: CVE-2021-42146
Updated: 2024-08-04T03:30:37.713Z
Status : Modified
Published: 2024-01-24T19:15:08.483
Modified: 2025-06-20T20:15:23.110
Link: CVE-2021-42146
No data.