Vulnerability Details : 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.
Exploit prediction scoring system (EPSS) score for CVE-2021-34430
Probability of exploitation activity in the next 30 days: 0.83%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 82 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-34430
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-34430
-
The product stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong enough for the level of protection required.Assigned by: nvd@nist.gov (Primary)
-
The product uses a Pseudo-Random Number Generator (PRNG) in a security context, but the PRNG's algorithm is not cryptographically strong.Assigned by: emo@eclipse.org (Secondary)
References for CVE-2021-34430
-
https://bugs.eclipse.org/bugs/show_bug.cgi?id=568803
568803 – (CVE-2021-34430) Vulnerability in TinyDTLSExploit;Issue Tracking;Vendor Advisory
Products affected by CVE-2021-34430
- cpe:2.3:a:eclipse:tinydtls:*:*:*:*:*:*:*:*
- cpe:2.3:a:eclipse:tinydtls:0.9:rc1:*:*:*:*:*:*