CVE-2021-28951

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

0.27% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 20.1% of scored records. A rank, not a probability.

NVD base score

5.5 (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:N/I:N/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

2021-03-20 19:53Z5 YR AGO

Last updated

2024-08-03 21:55Z2 YR AGO

Reserved

2021-03-20

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-667Improper LockingClass

Data version

5.1

Document digest

675d491d79bdeafe5226a5092ed6a85190cb02b5d47942ce14787e45bb78e2e0

• git.kernel.orghttps://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=3ebba796fa251d042be42b929a2d916ee5c34a49x_refsource_MISC
• lists.fedoraproject.orgFEDORA-2021-e636ce53dfhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PTRNPQTZ4GVS46SZ4OBXY5YDOGVPSTGQ/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-68b0dd2373https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4VCKIOXCOZGXBEZMO5LGGV5MWCHO6FT3/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-9503fffad9https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T2S3I4SLRNRUQDOFYUS6IUAZMQNMPNLG/vendor-advisoryx_refsource_FEDORA
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20210430-0003/x_refsource_CONFIRM