CVE-2021-34430

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Source
https://cve.org/CVERecord?id=CVE-2021-34430
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-34430.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-34430
Published
2021-07-08T03:15:07.643Z
Modified
2026-08-27T08:40:38.134564Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Git / github.com/eclipse-tinydtls/tinydtls

Affected ranges

Type
GIT
Repo
https://github.com/eclipse-tinydtls/tinydtls
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
ded031bc0642875daa47946d10e974318a5c95c4
Introduced
dad634471a8ff125b1b00d4e8141ddd5055eb8ef
Last affected
dad634471a8ff125b1b00d4e8141ddd5055eb8ef
Database specific
Show details 
{
    "cpe": [
        "cpe:2.3:a:eclipse:tinydtls:*:*:*:*:*:*:*:*",
        "cpe:2.3:a:eclipse:tinydtls:0.9:rc1:*:*:*:*:*:*"
    ],
    "source": [
        "CPE_RANGE",
        "CPE_STRING"
    ],
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "0.8.2"
        },
        {
            "introduced": "0.9-rc1"
        },
        {
            "last_affected": "0.9-rc1"
        }
    ]
}

Affected versions

0.*
0.9-rc1
_old/release-0.*
_old/release-0.8.1
_old/release-0.8.2
v0.*
v0.9-rc1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-34430.json"