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cveRedhatCVE-2020-35514
HistoryJun 02, 2021 - 2:15 p.m.

CVE-2020-35514

2021-06-0214:15:09
CWE-266
redhat
web.nvd.nist.gov
43
4
cve-2020-35514
insecure modification
kubernetes
openshift
unauthorized access
node addition
confidentiality
integrity
system availability
nvd

CVSS2

4.4

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.6

Confidence

High

EPSS

0

Percentile

12.6%

An insecure modification flaw in the /etc/kubernetes/kubeconfig file was found in OpenShift. This flaw allows an attacker with access to a running container which mounts /etc/kubernetes or has local access to the node, to copy this kubeconfig file and attempt to add their own node to the OpenShift cluster. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. This flaw affects versions before openshift4/ose-machine-config-operator v4.7.0-202105111858.p0.

Affected configurations

Nvd
Node
redhatopenshiftRange<4.7.0
OR
redhatopenshiftMatch4.7.0-
VendorProductVersionCPE
redhatopenshift*cpe:2.3:a:redhat:openshift:*:*:*:*:*:*:*:*
redhatopenshift4.7.0cpe:2.3:a:redhat:openshift:4.7.0:-:*:*:*:*:*:*

CNA Affected

[
  {
    "product": "openshift/machine-config-operator",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Unspecified"
      }
    ]
  }
]

Social References

More

CVSS2

4.4

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.6

Confidence

High

EPSS

0

Percentile

12.6%

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