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CVE Record

CVE-2015-10083: harrystech Dynosaur-Rails application_controller.rb basic_auth improper authentication

A vulnerability has been found in harrystech Dynosaur-Rails and classified as critical. Affected by this vulnerability is the function basic_auth of the file app/controllers/application_controller.rb. The manipulation leads to improper authentication. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The patch is named 04b223813f0e336aab50bff140d0f5889c31dbec. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-221503.

MediumCVSS 6.3Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

Dynosaur-Rails has an authentication weakness in its Rails application controller. If an organization runs this project, the issue could let an unauthenticated adjacent-network attacker bypass expected access checks and affect data confidentiality, integrity, or availability at a limited level.

Executive priority

Treat this as a targeted remediation item, not a broad emergency. Patch confirmed Dynosaur-Rails deployments promptly, especially where adjacent-network users are not fully trusted.

Technical view

CVE-2015-10083 is CWE-287 improper authentication in app/controllers/application_controller.rb basic_auth. The product has no versioning, so affected and unaffected releases are not identified. The source bundle names patch commit 04b223813f0e336aab50bff140d0f5889c31dbec and CVSS 3.1 score 6.3.

Likely exposure

Exposure is likely limited to deployments using harrystech Dynosaur-Rails. No CPEs or version ranges are provided, so inventory must confirm source or deployed code rather than package version alone.

Exploitation context

The bundle does not report active exploitation, and KEV is false. CVSS indicates adjacent-network access, low attack complexity, no privileges, no user interaction, and low confidentiality, integrity, and availability impact.

Researcher notes

Evidence is sparse: the sources identify function, file, CWE, CVSS, and patch, but not vulnerable release boundaries. Avoid assuming exploit availability or internet-wide exposure without additional evidence.

Mitigation direction

  • Identify any deployed or forked Dynosaur-Rails instances.
  • Apply patch commit 04b223813f0e336aab50bff140d0f5889c31dbec or an equivalent maintained fix.
  • Prioritize systems exposed to shared internal or adjacent networks.
  • Check upstream project guidance for deployment-specific remediation details.
  • Retest authentication behavior before returning patched systems to normal exposure.

Validation and detection

  • Confirm app/controllers/application_controller.rb contains the patch changes.
  • Verify no deployed fork retains the vulnerable basic_auth implementation.
  • Run authentication regression tests for protected controller paths.
  • Review access logs for unexpected authentication behavior around exposed Dynosaur-Rails routes.
  • Document unversioned deployments because release-based detection is unavailable.
Prepared
Confidence
medium
Sources
6

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-287: Credential and account abuse lookup

Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

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cve · low confidence lookup

CVE-2015-10083 mapping review

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.3 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
5Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
6.3CVSS 3.1MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L2.83.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

6.3Medium
CVSS 3.1 vector shape for CVE-2015-10083Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
harrystechDynosaur-Railsn/aListed
Weakness

CWE details

CWE-287

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-287 · source CWE mapping

Improper Authentication

Improper Authentication represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

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