CVE-2018-20540

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

1.48% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 72.1% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2018-12-28 03:00Z7 YR AGO

Last updated

2024-08-05 12:05Z2 YR AGO

Reserved

2018-12-27

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-772Missing Release of Resource after Effective LifetimeBase

Data version

5.1

Document digest

92a3934997a027e9ef1dadb9053dd28e8f214a19066fee6ddf2d94f7ac658745

• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1652612x_refsource_MISC
• lists.fedoraproject.orgFEDORA-2020-6dbbecb893https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3TPVZSUWM5TEAMCBL3Y7QLGQSLCCJFIT/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2020-b0695fcdf7https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YFI3F3PRKPXOITWD47LF6ON4L5MJQQYM/vendor-advisoryx_refsource_FEDORA