CVE-2021-34430

HIGH
7.5
CVSS Score
Published: July 8, 2021 at 03:00 AM UTC
Updated: June 17, 2026 at 03:55 AM UTC
1 product affected across 1 vendorTinydtls

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Severity
HIGH7.5
Exploit prediction
EPSS 1%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 0.8.2v ≤ 0.9-rc10.9 rc1

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

x_refsource_CONFIRMExploitIssue TrackingVendor Advisory
https://bugs.eclipse.org/bugs/show_bug.cgi?id=568803

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-338CWE-326

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