CVE-2020-8554

CVSS V2 Medium 6 CVSS V3 Medium 5
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.
Overview
  • CVE ID
  • CVE-2020-8554
  • Assigner
  • jordan@liggitt.net
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-01-21T17:15:13
  • Last Modified Date
  • 2022-10-29T02:41:47
Weakness Enumerations
CWE URL
NVD-CWE-noinfo http://cwe.mitre.org/data/definitions/NVD-noinfo.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:oracle:communications_cloud_native_core_network_slice_selection_function:1.2.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.15.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:oracle:communications_cloud_native_core_service_communication_proxy:1.14.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:S/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 6
  • Severity
  • MEDIUM
  • Exploitability Score
  • 6.8
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • LOW
  • Base Score
  • 5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.6
  • Impact Score
  • 3.4
References
Reference URL Reference Tags
https://github.com/kubernetes/kubernetes/issues/97076 Exploit Third Party Advisory
https://groups.google.com/g/kubernetes-security-announce/c/iZWsF9nbKE8 Mailing List Third Party Advisory
https://lists.apache.org/thread.html/r0c76b3d0be348f788cd947054141de0229af00c540564711e828fd40@%3Ccommits.druid.apache.org%3E Mailing List Patch Third Party Advisory
https://lists.apache.org/thread.html/r1975078e44d96f2a199aa90aa874b57a202eaf7f25f2fde6d1c44942@%3Ccommits.druid.apache.org%3E Mailing List Patch Third Party Advisory
https://lists.apache.org/thread.html/rcafa485d63550657f068775801aeb706b7a07140a8ebbdef822b3bb3@%3Ccommits.druid.apache.org%3E Mailing List Patch Third Party Advisory
https://lists.apache.org/thread.html/rdb223e1b82e3d7d8e4eaddce8dd1ab87252e3935cc41c859f49767b6@%3Ccommits.druid.apache.org%3E Mailing List Patch Third Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.html Patch Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html Patch Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.html Patch Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-8554
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8554
History
Created Old Value New Value Data Type Notes
2022-04-04 00:40:55 Added to TrackCVE
2022-12-05 20:45:19 security@kubernetes.io jordan@liggitt.net CVE Assigner updated
2022-12-05 20:45:19 2021-01-21T17:15Z 2021-01-21T17:15:13 CVE Published Date updated
2022-12-05 20:45:19 2022-10-29T02:41:47 CVE Modified Date updated
2022-12-05 20:45:19 Analyzed Vulnerability Status updated
2022-12-05 20:45:24 References updated