CVE-2021-20489

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

0.39% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 33.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

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

2021-10-07 18:05Z5 YR AGO

Last updated

2024-09-16 18:13Z2 YR AGO

Reserved

2020-12-17

Assigning CNA

ibm

Record state

PUBLISHED

Severity

Medium (CVSS 4.3)

CNA CVSS vector

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

Weaknesses

• CWE-352Cross-Site Request Forgery (CSRF)Compound

Data version

5.1

Document digest

136799d2d9d929507ec62bd7ed00ab62d82900f8aebe2a518a0c9e295f97ad3c

• www.ibm.comhttps://www.ibm.com/support/pages/node/6496777x_refsource_CONFIRM
• exchange.xforce.ibmcloud.comibm-sterling-cve202120489-csrf (197790)https://exchange.xforce.ibmcloud.com/vulnerabilities/197790vdb-entryx_refsource_XF