CVE-2020-21884

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

1.15% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 66.3% 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 2026-07-09.

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

2021-04-09 12:19Z5 YR AGO

Last updated

2026-07-09 00:10Z3 MO AGO

Reserved

2020-08-13

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

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

Data version

5.2

Document digest

0dbbaa000d2ddd6b3e2f571791dd4f81690e4a25f111927ad7f904a7db80ed01

• s3curityb3ast.github.iohttps://s3curityb3ast.github.io/KSA-Dev-008.txt
• www.mail-archive.comhttps://www.mail-archive.com/fulldisclosure@seclists.org/msg07139.html
• www.mail-archive.comhttps://www.mail-archive.com/fulldisclosure%40seclists.org/msg07139.htmlx_refsource_MISC