CVE-2021-3739

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

0.62% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 47.1% of scored records. A rank, not a probability.

NVD base score

7.1 (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:H/I:N/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-09-01.

Red Hat severity

Low. 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

2022-03-07 15:19Z4 YR AGO

Last updated

2024-08-03 17:01Z2 YR AGO

Reserved

2021-08-26

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-476NULL Pointer DereferenceBase

Data version

5.1

Document digest

86c6e6797b936d239bc2ae293aa7c877b61577c1769ab56ea79ddc3e51d57ec9

• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1997958x_refsource_MISC
• ubuntu.comhttps://ubuntu.com/security/CVE-2021-3739x_refsource_MISC
• www.openwall.comhttps://www.openwall.com/lists/oss-security/2021/08/25/3x_refsource_MISC
• git.kernel.orghttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e4571b8c5e9ffa1e85c0c671995bd4dcc5c75091x_refsource_MISC
• github.comhttps://github.com/torvalds/linux/commit/e4571b8c5e9ffa1e85c0c671995bd4dcc5c75091x_refsource_MISC
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20220407-0006/x_refsource_CONFIRM