CVE-2021-29424

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

1.79% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 78.0% of scored records. A rank, not a probability.

NVD base score

7.5 (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:N/I:H/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

2021-03-29 23:02Z5 YR AGO

Last updated

2024-08-03 22:02Z2 YR AGO

Reserved

2021-03-29

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-704Incorrect Type Conversion or CastClass

Data version

5.1

Document digest

a9ce4db06e72549cfabded932448ee06021f69cf455189f345eefcc48fddd16e

• blog.urth.orghttps://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/x_refsource_MISC
• metacpan.orghttps://metacpan.org/changes/distribution/Net-Netmask#L11-22x_refsource_MISC
• lists.fedoraproject.orgFEDORA-2021-3d96cfe6a3https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBJVLXJSWN6DKSF5ADUEERI6M23R3GGP/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-be62be8c7chttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JF4CYIZELC3NISB3RMV4OCI4GYBC557B/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-c314017fcchttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y7JIPQAY5OZ5D3DA7INQILU7SGHTHMWB/vendor-advisoryx_refsource_FEDORA
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20210604-0007/x_refsource_CONFIRM