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CVE-2018-14643· NVD / CVE Program· CNA redhat

An authentication bypass flaw was found in the smart_proxy_dynflow component used by Foreman.

An authentication bypass flaw was found in the smart_proxy_dynflow component used by Foreman. A malicious attacker can use this flaw to remotely execute arbitrary commands on machines managed by vulnerable Foreman instances, in a highly privileged context.

CriticalCVSS 9.8 · v3.0—No exploit Fix available
Published
Sep 21, 2018
Updated
Jun 16, 2026
EPSS
6.1% · 93th percentile
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Report tools

JSON

Action score

41

Plan

Add it to your regular patch cycle.

CVSS
39 / 40 · 9.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
2 / 30 · 6.1%

CNA vs NVD score

NVD
9.8
CNA · redhat
9.8
agree

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

Affected systems

VendorProduct
theforemanforeman

Affected versions

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

  • theforeman foremanall versions

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.

  • [UNKNOWN] smart_proxy_dynflow

    • n/aaffected

Package-level exposure

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

EcosystemPackageAffected rangeFix
Red Hat:satellite_capsule:6.3::el7rubygem-smart_proxy_dynflowbefore 0:0.1.10.2-1.el7sat0:0.1.10.2-1.el7sat
RubyGemssmart_proxy_dynflowfrom 0.2.0 · before 0.2.10.2.1
RubyGemssmart_proxy_dynflowbefore 0.1.110.1.11

Same product

theforeman: all records

Other highest-scoring records for the same primary product.

  • CVE-2023-0462Arbitrary code execution through yaml global parameters
    36Monitor
  • CVE-2023-0118Foreman: arbitrary code execution through templates
    36Monitor
  • CVE-2018-1097A flaw was found in foreman before 1.16.1.
    36Monitor
  • CVE-2016-4475The (1) Organization and (2) Locations APIs and UIs in Foreman before 1.11.4 and 1.12.x before 1.12.0-RC3 allow remote authenticated users t
    36Monitor
  • CVE-2016-3728Eval injection vulnerability in tftp_api.rb in the TFTP module in the Smart-Proxy in Foreman before 1.10.4 and 1.11.x before 1.11.2 allows r
    36Monitor
  • CVE-2021-3590A flaw was found in Foreman project.
    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:rubygem-smart_proxy_dynflow0:0.1.10.2-1.el7sat · Red Hat:satellite_capsule:6.3::el7Package registry (OSV)
RubyGems:smart_proxy_dynflow0.1.11Package registry (OSV)
RubyGems:smart_proxy_dynflow0.2.1Package 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.

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.
  • No special conditions are required; it is repeatable.

If successful

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

Weakness class (CWE)

CWE-592 · DEPRECATED: Authentication Bypass Issues

CVSS vector

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

nvd-primary

Attack context

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

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Change log

  1. Fix✗ → ✓

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References

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

All records