CVE-2018-1002105In all Kubernetes versions prior to v1.10.11, v1.11.5, and v1.12.3, incorrect handling of error responses to proxied upgrade requests in…
- 9.8CriticalCVSS base score
- 87.0%Exploitation in 30 daysEPSS · top 0.2% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 2Public exploitsMetasploit, Nuclei and Exploit-DB
Description
In all Kubernetes versions prior to v1.10.11, v1.11.5, and v1.12.3, incorrect handling of error responses to proxied upgrade requests in the kube-apiserver allowed specially crafted requests to establish a connection through the Kubernetes API server to backend servers, then send arbitrary requests over the same connection directly to the backend, authenticated with the Kubernetes API server's TLS credentials used to establish the backend connection.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list 2 Exploit-DB entries for it. 2 references of the record are tagged as an exploit.
Show the exploits4
Exploit-DB2 entries
- Kubernetes - (Unauthenticated) Arbitrary Requests (Exploit-DB entry) (opens in a new tab)
EDB-ID 46052remote, multiplepublished 10 Dec 2018Not verified
- Kubernetes - (Authenticated) Arbitrary Requests (Exploit-DB entry) (opens in a new tab)
EDB-ID 46053remote, multiplepublished 10 Dec 2018Not verified
References tagged exploit2 references
- 46053 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 46052 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By kubernetes
Published
- 6 years later
· 6 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| kubernetesCNA (assigner) | 3.0 | Critical9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.0 | Critical9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 87.0% · top 0.2% of all CVEs (13 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Affected products
- affected v1.0.x
- affected v1.1.x
- affected v1.2.x
- affected v1.3.x
- affected v1.4.x
- affected v1.5.x
- affected v1.6.x
- affected v1.7.x
- affected v1.8.x
- affected v1.9.x
- affected unspecified – < v1.10.11
- affected unspecified – < v1.11.5
- affected unspecified – < v1.12.3
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Gogithub.com/kubernetes/kubernetesGHSA-579h-mv94-g4gp (opens in a new tab)
References
References20
- https://groups.google.com/forum/#%21topic/kubernetes-announce/GVllWCg6L88 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 46053 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- RHSA-2018:3549 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2018:3752 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 46052 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- RHSA-2018:3624 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://www.coalfire.com/The-Coalfire-Blog/December-2018/Kubernetes-Vulnerability-What-You-Can-Should-Do (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/kubernetes/kubernetes/issues/71411 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2018:3742 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2018:3754 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2018:3537 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://github.com/evict/poc_CVE-2018-1002105 (opens in a new tab)x_refsource_MISCx_transferred
- RHSA-2018:3598 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2018:3551 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 106068 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://security.netapp.com/advisory/ntap-20190416-0001/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20190628 Re: linux-distros membership application - Microsoft (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20190706 Re: linux-distros membership application - Microsoft (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20190706 Re: linux-distros membership application - Microsoft (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- openSUSE-SU-2020:0554 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2022-0831 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-579h-mv94-g4gp (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2018-1002105)Record last updated .