CVE-2020-8561

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

2.10% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 81.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

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

2021-09-20 17:05Z5 YR AGO

Last updated

2026-06-01 21:45Z4 MO AGO

Reserved

2020-02-03

Assigning CNA

kubernetes

Record state

PUBLISHED

Severity

Medium (CVSS 4.1)

CNA CVSS vector

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

Weaknesses

• CWE-441Unintended Proxy or Intermediary ('Confused Deputy')Class
• CWE-610Externally Controlled Reference to a Resource in Another SphereClass
• CWE-601URL Redirection to Untrusted Site ('Open Redirect')Base

Data version

5.2

Document digest

275e6cfd00545b11cfe486e89104f85974db17efc808312b8f7dfbbff98c8250

• kubernetes.iohttps://kubernetes.io/blog/2026/05/26/reconciling-unfixed-kubernetes-cves/x_refsource_MISC
• groups.google.comhttps://groups.google.com/g/kubernetes-security-announce/c/RV2IhwcrQsYx_refsource_MISC
• github.comhttps://github.com/kubernetes/kubernetes/issues/104720x_refsource_MISC
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20211014-0002/x_refsource_CONFIRM