CVEvulnerability

CVE-2021-34430

7.5 HIGH Published 2021-07-08 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-07-08
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
Weaknesses
CWE-326, CWE-338

Description

Eclipse TinyDTLS through 0.9-rc1 relies on the rand function in the C library, which makes it easier for remote attackers to compute the master key and then decrypt DTLS traffic.

Affected configurations

• eclipse tinydtls (<= 0.8.2) • eclipse tinydtls 0.9

Related

Weakness · CWE (2)

  • CWE-326 Inadequate Encryption Strength weakness
  • CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) weakness

References