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ibmIBM9ADF75B47365B276A546C6258E198C5D4136BB408380D7D9D5885BD656029DB5
HistorySep 02, 2021 - 9:13 p.m.

Security Bulletin: IBM Cloud Private is vulnerable to Kubernetes vulnerabilities (CVE-2020-8554)

2021-09-0221:13:52
www.ibm.com
9

5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

6 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:S/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

46.7%

Summary

IBM Cloud Private is vulnerable to Kubernetes vulnerabilities

Vulnerability Details

CVEID:CVE-2020-8554
**DESCRIPTION:**Kubernetes could allow a remote authenticated attacker to bypass security restrictions, caused by a flaw when using LoadBalancer or ExternalIPs. By using man-in-the-middle attack techniques, an attacker could exploit this vulnerability to patch the status of a LoadBalancer service.
CVSS Base score: 6.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/192721 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L)

Affected Products and Versions

Affected Product(s) Version(s)
IBM Cloud Private 3.2.1 CD
IBM Cloud Private 3.2.2 CD

Remediation/Fixes

Product defect fixes and security updates are only available for the two most recent Continuous Delivery (CD) update packages

  • IBM Cloud Private 3.2.1
  • IBM Cloud Private 3.2.2

For IBM Cloud Private 3.2.1, apply fix pack:

For IBM Cloud Private 3.2.2, apply fix pack:

For IBM Cloud Private 3.1.0, 3.1.1, 3.1.2, 3.2.0:

  • Upgrade to the latest Continuous Delivery (CD) update package, IBM Cloud Private 3.2.2.
  • If required, individual product fixes can be made available between CD update packages for resolution of problems. Contact IBM support for assistance

Workarounds and Mitigations

None

5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

6 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:S/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

46.7%