CVE-2018-16886

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

4.06% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 90.6% of scored records. A rank, not a probability.

NVD base score

8.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2019-01-14 19:00Z7 YR AGO

Last updated

2024-08-05 10:32Z2 YR AGO

Reserved

2018-09-11

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Medium (CVSS 6.8)

CNA CVSS vector

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

Weaknesses

• CWE-287Improper AuthenticationClass

Data version

5.1

Document digest

73ffd14868d0616b2e54227b8080e2a0508ac3b5a01c287ab3ab7ad073dcaea8

• github.comhttps://github.com/etcd-io/etcd/blob/1eee465a43720d713bb69f7b7f5e120135fdb1ac/CHANGELOG-3.3.md#security-authenticationx_refsource_MISC
• www.securityfocus.com106540http://www.securityfocus.com/bid/106540vdb-entryx_refsource_BID
• github.comhttps://github.com/etcd-io/etcd/blob/1eee465a43720d713bb69f7b7f5e120135fdb1ac/CHANGELOG-3.2.md#security-authenticationx_refsource_MISC
• access.redhat.comRHSA-2019:0237https://access.redhat.com/errata/RHSA-2019:0237vendor-advisoryx_refsource_REDHAT
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16886x_refsource_CONFIRM
• lists.fedoraproject.orgFEDORA-2019-833466697fhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UPGYHMSKDPW5GAMI7BEP3XQRVRLLBJKS/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2019-219b0b0b6ahttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JX7QTIT465BQGRGNCE74RATRQLKT2QE4/vendor-advisoryx_refsource_FEDORA
• access.redhat.comRHSA-2019:1352https://access.redhat.com/errata/RHSA-2019:1352vendor-advisoryx_refsource_REDHAT