1. Home
  2. CVE Database
  3. CVE-2021-34430
HIGH · 7.5

CVE-2021-34430

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.

Vulnerability 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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
EclipseTinydtls<= 0.8.2

Related Weaknesses (CWE)

CWE-338CWE-326

References

FAQ

What is CVE-2021-34430?

CVE-2021-34430 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.

How severe is CVE-2021-34430?

CVE-2021-34430 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-34430?

Check the references section above for vendor advisories and patch information. Affected products include: Eclipse Tinydtls.