HOMEVULNERABILITIESCVE-2019-11243
HIGH

CVE-2019-11243

CWE-271Published: April 22, 2019· Updated: Jun 17, 2026

8.1
CVSS v3.1

Official 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()

NVD Source

Technical Analysis

CVE-2019-11243 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.1.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityHigh
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

Kubernetes1 product(s)
kubernetes
netapp1 product(s)
trident
Source: NVD CPE · 3 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://www.securityfocus.com/bid/108053
ADVISORYhttps://github.com/kubernetes/kubernetes/issues/76797
ADVISORYhttps://security.netapp.com/advisory/ntap-20190509-0002/
ADVISORYhttp://www.securityfocus.com/bid/108053
ADVISORYhttps://github.com/kubernetes/kubernetes/issues/76797
ADVISORYhttps://security.netapp.com/advisory/ntap-20190509-0002/

All References (6)

→
http://www.securityfocus.com/bid/108053Third Party Advisory · VDB Entry
→
https://github.com/kubernetes/kubernetes/issues/76797Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20190509-0002/Third Party Advisory
→
http://www.securityfocus.com/bid/108053Third Party Advisory · VDB Entry
→
https://github.com/kubernetes/kubernetes/issues/76797Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20190509-0002/Third Party Advisory

Quick Facts

CVE IDCVE-2019-11243
CVSS Score8.1 / 10
SeverityHIGH
WeaknessCWE-271
CISA KEVNo
Affected2 vendor(s)
PublishedApr 22, 2019

Related CVEs (CWE-271)

CVE-2023-22648
8.8
CVE-2024-0985
8.0
CVE-2025-53819
7.9
CVE-2025-23395
7.8
CVE-2022-3569
7.8
CVE-2026-35535
7.4

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2019-11243 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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