CVE-2019-11243
Kubernetes did not effectively clear service account credentials
CVE-2019-11243 is a low vulnerability (CVSS 3.1) in Kubernetes, published April 22, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.69%, the 77th percentile. Fixed in k8s.io/kubernetes 1.12.5.
- Severity
- 3.1 LowCVSS 3.0, CVE List
- Exploit chance
- 1.69%EPSS, 77th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
1.12.5k8s.io/kubernetes +3 more
Description
In Kubernetes v1.12.0-v1.12.4 and v1.13.0, the rest.AnonymousClientConfig() method returns a copy of the provided config, with credentials removed (bearer token, username/password, and client certificate/key data). In the affected versions, rest.AnonymousClientConfig() did not effectively clear service account credentials loaded using rest.InClusterConfig()
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
k8s.io/kubernetesGo | 1.12.0 up to 1.12.5 | 1.12.5 |
k8s.io/kubernetesGo | 1.13.0 up to 1.13.1 | 1.13.1 |
k8s.io/kubernetesGo | 1.12.0 up to 1.12.5, 1.13.0 up to 1.13.1 | 1.12.51.13.1 |
govulncheck-vulndbopenSUSE:Tumbleweed From an advisory covering 12 CVEs | before 0.0.20250506T153719-1.1 | 0.0.20250506T153719-1.1 |
What each source reports
CVE List Score used
In Kubernetes v1.12.0-v1.12.4 and v1.13.0, the rest.AnonymousClientConfig() method returns a copy of the provided config, with credentials removed (bearer token, username/password, and client certificate/key data). In the affected versions, rest.AnonymousClientConfig() did not effectively clear service account credentials loaded using rest.InClusterConfig()
- Record
CVE-2019-11243- CVSS 3.0
- 3.1 Low
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-271
- Updated
- 2026-11-02
EUVDEUVD-2019-2941
In Kubernetes v1.12.0-v1.12.4 and v1.13.0, the rest.AnonymousClientConfig() method returns a copy of the provided config, with credentials removed (bearer token, username/password, and client certificate/key data). In the affected versions, rest.AnonymousClientConfig() did not effectively clear service account credentials loaded using rest.InClusterConfig()
- Record
EUVD-2019-2941- CVSS 3.0
- 3.1 Low
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-gc2p-g4fg-29vh
Kubernetes did not effectively clear service account credentials
In Kubernetes v1.12.0-v1.12.4 and v1.13.0, the rest.AnonymousClientConfig() method returns a copy of the provided config, with credentials removed (bearer token, username/password, and client certificate/key data). In the affected versions, rest.AnonymousClientConfig() did not effectively clear service account credentials loaded using rest.InClusterConfig()
- Record
GHSA-gc2p-g4fg-29vh- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-212, CWE-271
- Updated
- 2026-11-02
NVD
In Kubernetes v1.12.0-v1.12.4 and v1.13.0, the rest.AnonymousClientConfig() method returns a copy of the provided config, with credentials removed (bearer token, username/password, and client certificate/key data). In the affected versions, rest.AnonymousClientConfig() did not effectively clear service account credentials loaded using rest.InClusterConfig()
- Record
CVE-2019-11243- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.0
- 3.1 Low
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-271, CWE-212
- Updated
- 2026-11-02
OSV
In Kubernetes v1.12.0-v1.12.4 and v1.13.0, the rest.AnonymousClientConfig() method returns a copy of the provided config, with credentials removed (bearer token, username/password, and client certificate/key data). In the affected versions, rest.AnonymousClientConfig() did not effectively clear service account credentials loaded using rest.InClusterConfig()
- Record
CVE-2019-11243- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-gc2p-g4fg-29vh
Kubernetes did not effectively clear service account credentials
In Kubernetes v1.12.0-v1.12.4 and v1.13.0, the rest.AnonymousClientConfig() method returns a copy of the provided config, with credentials removed (bearer token, username/password, and client certificate/key data). In the affected versions, rest.AnonymousClientConfig() did not effectively clear service account credentials loaded using rest.InClusterConfig()
- Record
GHSA-gc2p-g4fg-29vh- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-212, CWE-271
- Updated
- 2026-11-02
OSVGO-2025-3645No score
Kubernetes did not effectively clear service account credentials in k8s.io/kubernetes
Kubernetes did not effectively clear service account credentials in k8s.io/kubernetes
- Record
GO-2025-3645- Updated
- 2026-11-02
OSVopenSUSE-SU-2025:15059-1No score
govulncheck-vulndb-0.0.20250506T153719-1.1 on GA media
These are all security issues fixed in the govulncheck-vulndb-0.0.20250506T153719-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2025:15059-1- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
github.com/kubernetes/kubernetes/issues/76797
securityfocus.com/bid/108053
security.netapp.com/advisory/ntap-20190509-0002
nvd.nist.gov/vuln/detail/CVE-2019-11243
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lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/HNV7O7SNYYY4AFS5HKAPLITKK3B57LE7
suse.com/security/cve/CVE-2019-11243