CVE-2021-31866

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

1.22% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 68.4% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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

2021-04-28 06:16Z5 YR AGO

Last updated

2024-08-03 23:10Z2 YR AGO

Reserved

2021-04-28

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-203Observable DiscrepancyBase

Data version

5.1

Document digest

2d2f95e052a24b67f800f7630609d854e3d63683d85aeaef245b53ca4a44bcac

• www.redmine.orghttps://www.redmine.org/projects/redmine/wiki/Security_Advisoriesx_refsource_MISC
• www.redmine.orghttps://www.redmine.org/news/131x_refsource_MISC
• lists.debian.org[debian-lts-announce] 20210513 [SECURITY] [DLA 2658-1] redmine security updatehttps://lists.debian.org/debian-lts-announce/2021/05/msg00013.htmlmailing-listx_refsource_MLIST