CVE-2020-8557

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

0.50% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 40.5% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

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

2020-07-23 16:59Z6 YR AGO

Last updated

2024-09-17 03:14Z1 YR AGO

Reserved

2020-02-03

Assigning CNA

kubernetes

Record state

PUBLISHED

Severity

Medium (CVSS 5.5)

CNA CVSS vector

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

Weaknesses

• CWE-400Uncontrolled Resource ConsumptionClass

Data version

5.1

Document digest

be28dee82f527d84999b4ce4646c35b3e276cc398f4653b9e4556bbb6f6774b7

• github.comhttps://github.com/kubernetes/kubernetes/issues/93032x_refsource_CONFIRM
• groups.google.com[Security Advisory] CVE-2020-8557: Node disk DOS by writing to container /etc/hostshttps://groups.google.com/g/kubernetes-security-announce/c/cB_JUsYEKyY/m/vVSO61AhBwAJmailing-listx_refsource_MLIST
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20200821-0002/x_refsource_CONFIRM