The default cloud-init configuration, in cloud-init 0.6.2 and newer, included "ssh_deletekeys: 0", disabling cloud-init's deletion of ssh host keys. In some environments, this could lead to instances created by cloning a golden master or template system, sharing ssh host keys, and being able to impersonate one another or conduct man-in-the-middle attacks.
Published 2018-08-01 17:29:00
Updated 2023-02-13 04:51:37
Source Red Hat, Inc.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2018-10896

0.05%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 18 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-10896

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
3.6
LOW AV:L/AC:L/Au:N/C:P/I:P/A:N
3.9
4.9
NIST
4.6
MEDIUM CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
1.5
2.7
Red Hat, Inc.
7.1
HIGH CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
1.8
5.2
NIST

CWE ids for CVE-2018-10896

References for CVE-2018-10896

Products affected by CVE-2018-10896

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