CVE-2018-16877

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

0.37% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 31.5% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/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

Important. 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

2019-04-18 00:00Z7 YR AGO

Last updated

2024-08-05 10:32Z2 YR AGO

Reserved

2018-09-11

Assigning CNA

redhat

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

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

Weaknesses

• CWE-287Improper AuthenticationClass

Data version

5.1

Document digest

67dd7c9aa2fc7643bb0b338328762a30674bd82a2323d74ef8b8923bad66665b

• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16877
• github.comhttps://github.com/ClusterLabs/pacemaker/pull/1749
• usn.ubuntu.comUSN-3952-1https://usn.ubuntu.com/3952-1/vendor-advisory
• www.securityfocus.com108042http://www.securityfocus.com/bid/108042vdb-entry
• lists.fedoraproject.orgFEDORA-2019-e4c8de3fb7https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HR6QUYGML735EI3HEEHYRDW7EG73BUH2/vendor-advisory
• lists.fedoraproject.orgFEDORA-2019-e71f6f36achttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3GCWFO7GL6MBU6C4BGFO3P6L77DIBBF3/vendor-advisory
• lists.fedoraproject.orgFEDORA-2019-b502250ba4https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FY4M4RMIG2POKC6OOFQODGKPRYXHET2F/vendor-advisory
• lists.opensuse.orgopenSUSE-SU-2019:1342http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00012.htmlvendor-advisory
• lists.opensuse.orgopenSUSE-SU-2019:1400http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00034.htmlvendor-advisory
• access.redhat.comRHSA-2019:1278https://access.redhat.com/errata/RHSA-2019:1278vendor-advisory
• access.redhat.comRHSA-2019:1279https://access.redhat.com/errata/RHSA-2019:1279vendor-advisory
• lists.debian.org[debian-lts-announce] 20210106 [SECURITY] [DLA 2519-1] pacemaker security updatehttps://lists.debian.org/debian-lts-announce/2021/01/msg00007.htmlmailing-list
• security.gentoo.orgGLSA-202309-09https://security.gentoo.org/glsa/202309-09vendor-advisory