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High severity7.5NVD Advisory· Published Jul 8, 2021· Updated Jun 17, 2026

CVE-2021-34430

CVE-2021-34430

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.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

4
  • Eclipse/Tinydtls3 versions
    cpe:2.3:a:eclipse:tinydtls:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:eclipse:tinydtls:*:*:*:*:*:*:*:*range: <=0.8.2
    • cpe:2.3:a:eclipse:tinydtls:0.9:rc1:*:*:*:*:*:*
    • (no CPE)range: <=0.9-rc1
  • The Eclipse Foundation/Eclipse TinyDTLSv5
    Range: unspecified

Patches

Vulnerability mechanics

References

1

News mentions

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