CVE-2019-12101
CVSS v3
7.5
HIGH
EPSS Score
1.9 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
coap_decode_option in coap.c in LibNyoci 0.07.00rc1 mishandles certain packets with "Uri-Path: (null)" and consequently allows remote attackers to cause a denial of service (segmentation fault).
Technical details
- Published
- 2019-05-15
Frequently asked questions
What is CVE-2019-12101?
coap_decode_option in coap.c in LibNyoci 0.07.00rc1 mishandles certain packets with "Uri-Path: (null)" and consequently allows remote attackers to cause a denial of service (segmentation fault).
Is CVE-2019-12101 actively exploited?
Active exploitation of CVE-2019-12101 has not been confirmed. Its EPSS score was 1.9% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2019-12101?
CVE-2019-12101 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2019-12101 affecting your environment?
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