CVE-2021-39028

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

0.49% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 42.1% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

2022-07-14 16:15Z4 YR AGO

Last updated

2024-09-17 01:01Z2 YR AGO

Reserved

2021-08-16

Assigning CNA

ibm

Record state

PUBLISHED

Severity

Medium (CVSS 5.4)

CNA CVSS vector

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

Weaknesses

• CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')Class

Data version

5.1

Document digest

04daa729036cf4eb83eb826f3ebb645692cd839571742e08c7ec3b84db874004

• www.ibm.comhttps://www.ibm.com/support/pages/node/6603347x_refsource_CONFIRM
• exchange.xforce.ibmcloud.comibm-engineering-cve202139028-header-injection (213866)https://exchange.xforce.ibmcloud.com/vulnerabilities/213866vdb-entryx_refsource_XF