CVE-2021-39021

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

0.54% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 43.1% 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

2022-02-04 22:32Z4 YR AGO

Last updated

2024-09-16 20:06Z1 YR AGO

Reserved

2021-08-16

Assigning CNA

ibm

Record state

PUBLISHED

Severity

Low (CVSS 3.7)

CNA CVSS vector

CVSS:3.0/UI:N/PR:N/I:N/C:L/AC:H/AV:N/A:N/S:U/RC:C/RL:O/E:U

Weaknesses

• CWE-203Observable DiscrepancyBase

Data version

5.1

Document digest

a3af22f56bfd0a95ea78ce8c1d33c04be6c3adfc6166f94d7686245c1ee3ce86

• www.ibm.comhttps://www.ibm.com/support/pages/node/6552552x_refsource_CONFIRM
• exchange.xforce.ibmcloud.comibm-guardium-cve202139021-info-disc (213856)https://exchange.xforce.ibmcloud.com/vulnerabilities/213856vdb-entryx_refsource_XF