CVE-2021-20434

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

0.21% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 11.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/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

2021-09-23 17:10Z4 YR AGO

Last updated

2024-09-17 01:15Z1 YR AGO

Reserved

2020-12-17

Assigning CNA

ibm

Record state

PUBLISHED

Severity

Medium (CVSS 4.1)

CNA CVSS vector

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

Weaknesses

• CWE-522Insufficiently Protected CredentialsClass

Data version

5.1

Document digest

a46e64978acb3f82fc0aa57526f8ff033b4cc8d154eedd903fbca0ef9b50ba18

• www.ibm.comhttps://www.ibm.com/support/pages/node/6491651x_refsource_CONFIRM
• exchange.xforce.ibmcloud.comibm-svb-cve202120434-info-disc (196346)https://exchange.xforce.ibmcloud.com/vulnerabilities/196346vdb-entryx_refsource_XF