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CVE-2019-11244

kubectl creates world-writeable cached schema files

3.3 LowFix available

In Kubernetes v1.8.x-v1.14.x, schema info is cached by kubectl in the location specified by --cache-dir (defaulting to $HOME/.kube/http-cache), written with world-writeable permissions (rw-rw-rw-). If --cache-dir is specified and pointed at a different location accessible to other users/groups, the written files may be modified by other users/groups and disrupt the kubectl invocation.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
High
Privileges needed
Low
User interaction
Required

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
None

Exploit likelihood

0.50%Down 1.0 points since Apr 14, 2021
90%50%10%1%

What each source reports

CVE List Score used 3.3

kubectl creates world-writeable cached schema files

In Kubernetes v1.8.x-v1.14.x, schema info is cached by kubectl in the location specified by --cache-dir (defaulting to $HOME/.kube/http-cache), written with world-writeable permissions (rw-rw-rw-). If --cache-dir is specified and pointed at a different location accessible to other users/groups, the written files may be modified by other users/groups and disrupt the kubectl invocation.

Record
CVE-2019-11244
CVSS 3.0
3.3 LowCVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
Weakness
CWE-524
Updated
2026-11-02
EUVDEUVD-2022-0756 3.3

In Kubernetes v1.8.x-v1.14.x, schema info is cached by kubectl in the location specified by --cache-dir (defaulting to $HOME/.kube/http-cache), written with world-writeable permissions (rw-rw-rw-). If --cache-dir is specified and pointed at a different location accessible to other users/groups, the written files may be modified by other users/groups and disrupt the kubectl invocation.

Record
EUVD-2022-0756
CVSS 3.0
3.3 LowCVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
Updated
2026-11-03
GitHub AdvisoriesGHSA-2575-pghm-6qqx 5.0

Kubernetes Unsafe Cacheing

In Kubernetes v1.8.x-v1.14.x, schema info is cached by kubectl in the location specified by --cache-dir (defaulting to $HOME/.kube/http-cache), written with world-writeable permissions (rw-rw-rw-). If --cache-dir is specified and pointed at a different location accessible to other users/groups, the written files may be modified by other users/groups and disrupt the kubectl invocation.

Record
GHSA-2575-pghm-6qqx
CVSS 3.1
5.0 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N
Weakness
CWE-524, CWE-732
Updated
2026-11-02
NVD 5.0

In Kubernetes v1.8.x-v1.14.x, schema info is cached by kubectl in the location specified by --cache-dir (defaulting to $HOME/.kube/http-cache), written with world-writeable permissions (rw-rw-rw-). If --cache-dir is specified and pointed at a different location accessible to other users/groups, the written files may be modified by other users/groups and disrupt the kubectl invocation.

Record
CVE-2019-11244
CVSS 3.1
5.0 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N
CVSS 3.0
3.3 LowCVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
CVSS 2.0
1.9 LowAV:L/AC:M/Au:N/C:N/I:P/A:N
Weakness
CWE-524, CWE-732
Updated
2026-11-02
OSV 5.0

In Kubernetes v1.8.x-v1.14.x, schema info is cached by kubectl in the location specified by --cache-dir (defaulting to $HOME/.kube/http-cache), written with world-writeable permissions (rw-rw-rw-). If --cache-dir is specified and pointed at a different location accessible to other users/groups, the written files may be modified by other users/groups and disrupt the kubectl invocation.

Record
CVE-2019-11244
CVSS 3.1
5.0 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N
Updated
2026-11-02
OSVGHSA-2575-pghm-6qqx 5.0

Kubernetes Unsafe Cacheing

In Kubernetes v1.8.x-v1.14.x, schema info is cached by kubectl in the location specified by --cache-dir (defaulting to $HOME/.kube/http-cache), written with world-writeable permissions (rw-rw-rw-). If --cache-dir is specified and pointed at a different location accessible to other users/groups, the written files may be modified by other users/groups and disrupt the kubectl invocation.

Record
GHSA-2575-pghm-6qqx
CVSS 3.1
5.0 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N
Weakness
CWE-524, CWE-732
Updated
2026-11-02
OSVRHSA-2019:3942 3.3

Red Hat Security Advisory: OpenShift Container Platform 4.1.24 openshift security update

Record
RHSA-2019:3942
CVSS 3.0
3.3 LowCVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
Updated
2026-11-02
OSVRHSA-2020:0020 3.3

Red Hat Security Advisory: OpenShift Container Platform 3.11 atomic-openshift security update

Record
RHSA-2020:0020
CVSS 3.0
3.3 LowCVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
k8s.io/client-go
Go
 1.8.0 up to 1.12.9
1.12.9
openshift
Red Hat:openshift:4.1::el7
 before 0:4.1.24-201911080309.git.0.c41acf2.el7
0:4.1.24-201911080309.git.0.c41acf2.el7
openshift-clients
Red Hat:openshift:4.1::el7
 before 0:4.1.24-201911080309.git.0.c41acf2.el7
0:4.1.24-201911080309.git.0.c41acf2.el7
openshift-clients-redistributable
Red Hat:openshift:4.1::el7
 before 0:4.1.24-201911080309.git.0.c41acf2.el7
0:4.1.24-201911080309.git.0.c41acf2.el7
openshift-hyperkube
Red Hat:openshift:4.1::el7
 before 0:4.1.24-201911080309.git.0.c41acf2.el7
0:4.1.24-201911080309.git.0.c41acf2.el7
openshift
Red Hat:openshift:4.1::el8
 before 0:4.1.24-201911080309.git.0.c41acf2.el8
0:4.1.24-201911080309.git.0.c41acf2.el8
openshift-clients
Red Hat:openshift:4.1::el8
 before 0:4.1.24-201911080309.git.0.c41acf2.el8
0:4.1.24-201911080309.git.0.c41acf2.el8
openshift-clients-redistributable
Red Hat:openshift:4.1::el8
 before 0:4.1.24-201911080309.git.0.c41acf2.el8
0:4.1.24-201911080309.git.0.c41acf2.el8
openshift-hyperkube
Red Hat:openshift:4.1::el8
 before 0:4.1.24-201911080309.git.0.c41acf2.el8
0:4.1.24-201911080309.git.0.c41acf2.el8
atomic-openshift
Red Hat:openshift:3.11::el7
 before 0:3.11.161-1.git.0.4ccbe25.el7
0:3.11.161-1.git.0.4ccbe25.el7
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Affected packages
PackageAffectedFixed
atomic-openshift-clients
Red Hat:openshift:3.11::el7
 before 0:3.11.161-1.git.0.4ccbe25.el7
0:3.11.161-1.git.0.4ccbe25.el7
atomic-openshift-clients-redistributable
Red Hat:openshift:3.11::el7
 before 0:3.11.161-1.git.0.4ccbe25.el7
0:3.11.161-1.git.0.4ccbe25.el7
atomic-openshift-docker-excluder
Red Hat:openshift:3.11::el7
 before 0:3.11.161-1.git.0.4ccbe25.el7
0:3.11.161-1.git.0.4ccbe25.el7
atomic-openshift-excluder
Red Hat:openshift:3.11::el7
 before 0:3.11.161-1.git.0.4ccbe25.el7
0:3.11.161-1.git.0.4ccbe25.el7
atomic-openshift-hyperkube
Red Hat:openshift:3.11::el7
 before 0:3.11.161-1.git.0.4ccbe25.el7
0:3.11.161-1.git.0.4ccbe25.el7
atomic-openshift-hypershift
Red Hat:openshift:3.11::el7
 before 0:3.11.161-1.git.0.4ccbe25.el7
0:3.11.161-1.git.0.4ccbe25.el7
atomic-openshift-master
Red Hat:openshift:3.11::el7
 before 0:3.11.161-1.git.0.4ccbe25.el7
0:3.11.161-1.git.0.4ccbe25.el7
atomic-openshift-node
Red Hat:openshift:3.11::el7
 before 0:3.11.161-1.git.0.4ccbe25.el7
0:3.11.161-1.git.0.4ccbe25.el7
atomic-openshift-pod
Red Hat:openshift:3.11::el7
 before 0:3.11.161-1.git.0.4ccbe25.el7
0:3.11.161-1.git.0.4ccbe25.el7
atomic-openshift-sdn-ovs
Red Hat:openshift:3.11::el7
 before 0:3.11.161-1.git.0.4ccbe25.el7
0:3.11.161-1.git.0.4ccbe25.el7
atomic-openshift-template-service-broker
Red Hat:openshift:3.11::el7
 before 0:3.11.161-1.git.0.4ccbe25.el7
0:3.11.161-1.git.0.4ccbe25.el7
atomic-openshift-tests
Red Hat:openshift:3.11::el7
 before 0:3.11.161-1.git.0.4ccbe25.el7
0:3.11.161-1.git.0.4ccbe25.el7

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-11244 is a low vulnerability (CVSS 3.3) in Kubernetes, published April 22, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.50%, the 42nd percentile. Fixed in k8s.io/client-go 1.12.9.

References

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