Unbound before 1.9.4 accesses uninitialized memory, which allows remote attackers to trigger a crash via a crafted NOTIFY query. The source IP address of the query must match an access-control rule.
Published 2019-10-03 19:15:10
Updated 2020-08-24 17:37:01
Source MITRE
View at NVD,   CVE.org

Threat overview for CVE-2019-16866

Top countries where our scanners detected CVE-2019-16866
Top open port discovered on systems with this issue 53
IPs affected by CVE-2019-16866 8,537
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2019-16866!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2019-16866

16.56%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 96 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-16866

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
NIST
7.5
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
NIST

CWE ids for CVE-2019-16866

References for CVE-2019-16866

Products affected by CVE-2019-16866

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