CVE-2018-12021

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

1.46% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 73.2% 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:L/UI:N/S:U/C:H/I:N/A:N

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

2018-07-05 18:00Z8 YR AGO

Last updated

2024-08-05 08:24Z2 YR AGO

Reserved

2018-06-07

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass

Data version

5.1

Document digest

c411b983325fc7e60e211276f03f9da4093f8ded82c6c27b95d0299ef55ef4c7

• github.comhttps://github.com/singularityware/singularity/releases/tag/2.5.2x_refsource_CONFIRM
• www.openwall.com[oss-security] 20190516 Singularity 3.1.0: CVE-2019-11328: namespace privilege escalation and arbitrary file corruptionhttp://www.openwall.com/lists/oss-security/2019/05/16/1mailing-listx_refsource_MLIST