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CVE-2017-12195· NVD / CVE Program· CNA redhat

A flaw was found in all Openshift Enterprise versions using the openshift elasticsearch plugin.

A flaw was found in all Openshift Enterprise versions using the openshift elasticsearch plugin. An attacker with knowledge of the given name used to authenticate and access Elasticsearch can later access it without the token, bypassing authentication. This attack also requires that the Elasticsearch be configured with an external route, and the data accessed is limited to the indices.

MediumCVSS 4.8 · v3.0—No exploit Fix available
Published
Jul 27, 2018
Updated
Jun 16, 2026
EPSS
1.4% · 71th percentile
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Report tools

JSON

Action score

19

Monitor

Low priority for now.

CVSS
19 / 40 · 4.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 1.4%

CNA vs NVD score

NVD
4.8
CNA · redhat
6.5
1.7 point gap

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Noroxi analysis

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Affected systems

VendorProduct
redhatopenshift container platform

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • redhat openshift container platform3.4
  • redhat openshift container platform3.5
  • redhat openshift container platform3.6
  • redhat openshift container platform3.7

Versions reported by the vendor

Affected version ranges reported by the assigning authority (redhat). Independent of NVD's CPE analysis and usually ahead of it.

  • Red Hat OpenShift

    • allaffected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Red Hat:openshift:3.4::el7atomic-openshiftbefore 0:3.4.1.44.38-1.git.0.d04b8d5.el70:3.4.1.44.38-1.git.0.d04b8d5.el7
Red Hat:openshift:3.4::el7atomic-openshift-clientsbefore 0:3.4.1.44.38-1.git.0.d04b8d5.el70:3.4.1.44.38-1.git.0.d04b8d5.el7
Red Hat:openshift:3.4::el7atomic-openshift-clients-redistributablebefore 0:3.4.1.44.38-1.git.0.d04b8d5.el70:3.4.1.44.38-1.git.0.d04b8d5.el7
Red Hat:openshift:3.4::el7atomic-openshift-docker-excluderbefore 0:3.4.1.44.38-1.git.0.d04b8d5.el70:3.4.1.44.38-1.git.0.d04b8d5.el7
Red Hat:openshift:3.4::el7atomic-openshift-dockerregistrybefore 0:3.4.1.44.38-1.git.0.d04b8d5.el70:3.4.1.44.38-1.git.0.d04b8d5.el7
Red Hat:openshift:3.4::el7atomic-openshift-excluderbefore 0:3.4.1.44.38-1.git.0.d04b8d5.el70:3.4.1.44.38-1.git.0.d04b8d5.el7
Red Hat:openshift:3.4::el7atomic-openshift-masterbefore 0:3.4.1.44.38-1.git.0.d04b8d5.el70:3.4.1.44.38-1.git.0.d04b8d5.el7
Red Hat:openshift:3.4::el7atomic-openshift-nodebefore 0:3.4.1.44.38-1.git.0.d04b8d5.el70:3.4.1.44.38-1.git.0.d04b8d5.el7
Red Hat:openshift:3.4::el7atomic-openshift-podbefore 0:3.4.1.44.38-1.git.0.d04b8d5.el70:3.4.1.44.38-1.git.0.d04b8d5.el7
Red Hat:openshift:3.4::el7atomic-openshift-sdn-ovsbefore 0:3.4.1.44.38-1.git.0.d04b8d5.el70:3.4.1.44.38-1.git.0.d04b8d5.el7
Red Hat:openshift:3.4::el7atomic-openshift-testsbefore 0:3.4.1.44.38-1.git.0.d04b8d5.el70:3.4.1.44.38-1.git.0.d04b8d5.el7
Red Hat:openshift:3.4::el7openshift-elasticsearch-pluginbefore 0:2.4.1.11__redhat_1-3.el70:2.4.1.11__redhat_1-3.el7
Red Hat:openshift:3.4::el7tuned-profiles-atomic-openshift-nodebefore 0:3.4.1.44.38-1.git.0.d04b8d5.el70:3.4.1.44.38-1.git.0.d04b8d5.el7
Red Hat:openshift:3.5::el7atomic-openshiftbefore 0:3.5.5.31.47-1.git.0.25d535c.el70:3.5.5.31.47-1.git.0.25d535c.el7
Red Hat:openshift:3.5::el7atomic-openshift-clientsbefore 0:3.5.5.31.47-1.git.0.25d535c.el70:3.5.5.31.47-1.git.0.25d535c.el7
Red Hat:openshift:3.5::el7atomic-openshift-clients-redistributablebefore 0:3.5.5.31.47-1.git.0.25d535c.el70:3.5.5.31.47-1.git.0.25d535c.el7
Red Hat:openshift:3.5::el7atomic-openshift-docker-excluderbefore 0:3.5.5.31.47-1.git.0.25d535c.el70:3.5.5.31.47-1.git.0.25d535c.el7
Red Hat:openshift:3.5::el7atomic-openshift-dockerregistrybefore 0:3.5.5.31.47-1.git.0.25d535c.el70:3.5.5.31.47-1.git.0.25d535c.el7
Red Hat:openshift:3.5::el7atomic-openshift-excluderbefore 0:3.5.5.31.47-1.git.0.25d535c.el70:3.5.5.31.47-1.git.0.25d535c.el7
Red Hat:openshift:3.5::el7atomic-openshift-masterbefore 0:3.5.5.31.47-1.git.0.25d535c.el70:3.5.5.31.47-1.git.0.25d535c.el7
Red Hat:openshift:3.5::el7atomic-openshift-nodebefore 0:3.5.5.31.47-1.git.0.25d535c.el70:3.5.5.31.47-1.git.0.25d535c.el7
Red Hat:openshift:3.5::el7atomic-openshift-podbefore 0:3.5.5.31.47-1.git.0.25d535c.el70:3.5.5.31.47-1.git.0.25d535c.el7
Red Hat:openshift:3.5::el7atomic-openshift-sdn-ovsbefore 0:3.5.5.31.47-1.git.0.25d535c.el70:3.5.5.31.47-1.git.0.25d535c.el7
Red Hat:openshift:3.5::el7atomic-openshift-testsbefore 0:3.5.5.31.47-1.git.0.25d535c.el70:3.5.5.31.47-1.git.0.25d535c.el7

+96

Same product

redhat: all records

Other highest-scoring records for the same primary product.

  • CVE-2017-7481Ansible before versions 2.3.1.0 and 2.4.0.0 fails to properly mark lookup-plugin results as unsafe.
    40Plan
  • CVE-2018-1085openshift-ansible before versions 3.9.23, 3.7.46 deploys a misconfigured etcd file that causes the SSL client certificate authentication to
    40Plan
  • CVE-2020-27836A flaw was found in cluster-ingress-operator.
    39Monitor
  • CVE-2019-3899It was found that default configuration of Heketi does not require any authentication potentially exposing the management interface to misus
    39Monitor
  • CVE-2026-54099Windows-machine-config-operator: windows-machine-config-operator: wicd csr extra-organization allows privilege escalation to system:masters
    35Monitor
  • CVE-2026-1784Ose-cluster-ingress-operator: remote code execution through haproxy configuration injection
    35Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
red hat:ansible0:2.3.2.0-2.el7 · Red Hat:openshift:3.7::el7Package registry (OSV)
red hat:ansible-asb-modules0:0.0.2-1.el7 · Red Hat:openshift:3.7::el7Package registry (OSV)
red hat:ansible-doc0:2.3.2.0-2.el7 · Red Hat:openshift:3.7::el7Package registry (OSV)
red hat:ansible-kubernetes-modules0:0.3.1-6.el7 · Red Hat:openshift:3.7::el7Package registry (OSV)
red hat:ansible-service-broker0:1.0.19-1.el7 · Red Hat:openshift:3.7::el7Package registry (OSV)
red hat:ansible-service-broker-container-scripts0:1.0.19-1.el7 · Red Hat:openshift:3.7::el7Package registry (OSV)
red hat:ansible-service-broker-selinux0:1.0.19-1.el7 · Red Hat:openshift:3.7::el7Package registry (OSV)
red hat:apb0:1.0.4-1.el7 · Red Hat:openshift:3.7::el7Package registry (OSV)
red hat:apb-base-scripts0:1.0.5-1.el7 · Red Hat:openshift:3.7::el7Package registry (OSV)
red hat:apb-container-scripts0:1.0.4-1.el7 · Red Hat:openshift:3.7::el7Package registry (OSV)
red hat:atomic-openshift0:3.7.9-1.git.0.7c71a2d.el7 · Red Hat:openshift:3.7::el7Package registry (OSV)
red hat:atomic-openshift-clients0:3.7.9-1.git.0.7c71a2d.el7 · Red Hat:openshift:3.7::el7Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • Special conditions such as timing or configuration are required.

If successful

Confidentiality
low · data can be read
Integrity
low · data or configuration can be modified
Availability
none
Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
Low
Integrity impact
Low
Availability impact
None

Weakness class (CWE)

CWE-287 · Improper Authentication

CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

nvd-primary

Root cause

Authentication is added route by route instead of being enforced in one place. When a route added later bypasses the shared middleware, the session check never runs for it.

The bug in code

The whole CWE-287 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
app.use("/admin", requireSession, adminRouter);
// Route added later skips the middlewareapp.post("/admin-api/config", updateConfig);

Fixed

ts
const admin = express.Router();admin.use(requireSession, requireRole("admin"));
admin.post("/config", updateConfig);app.use("/admin", admin);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records