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CVE-2020-8554

nvd nist
Published: Jan 21, 2021Modified: Jun 17, 2026

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5.0
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Exploitability: 1.6 / Impact: 3.4
Source: NVD

Description

Kubernetes API server in all versions allow an attacker who is able to create a ClusterIP service and set the spec.externalIPs field, to intercept traffic to that IP address. Additionally, an attacker who is able to patch the status (which is considered a privileged operation and should not typically be granted to users) of a LoadBalancer service can set the status.loadBalancer.ingress.ip to similar effect.

Affected (4)

Kubernetes
1 product
Kubernetes
Oracle
3 products
Communications Cloud Native Core Network Slice Selection Function
Communications Cloud Native Core Policy
Communications Cloud Native Core Service Communication Proxy
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Kubernetes
All versions
Configuration B
3 vulnerable
Vulnerable SoftwareAffected Versions
Communications Cloud Native Core Network Slice Selection Function
Version 1.2.1
Communications Cloud Native Core Policy
Version 1.15.0
Communications Cloud Native Core Service Communication Proxy
Version 1.14.0

Related CWEs

CWE-283
Unverified Ownership
The product does not properly verify that a critical resource is owned by the proper entity.

References (19)

Source: jordan@liggitt.net
ExploitThird Party Advisory
Source: jordan@liggitt.net
Mailing ListThird Party Advisory
Source: jordan@liggitt.net
Source: jordan@liggitt.net
Source: jordan@liggitt.net
Source: jordan@liggitt.net
Source: jordan@liggitt.net
Source: jordan@liggitt.net
PatchThird Party Advisory
Source: jordan@liggitt.net
PatchThird Party Advisory
Source: jordan@liggitt.net
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory

Timeline

No history available yet.