NULL pointer dereference in Eclipse Tinydtls

CVE-2017-7243

Eclipse tinydtls 0.8.2 for Eclipse IoT allows remote attackers to cause a denial of service (DTLS peer crash) by sending a "Change cipher spec" packet without pre-handshake.

EPSS: 0.018 (76.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-7243?
CVE-2017-7243 is a high-severity vulnerability in Eclipse Tinydtls, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2017-03-24.
How severe is CVE-2017-7243?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2017-7243 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.