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Azure Managed Instance For Apache CassandraWeb server / proxy · Microsoft

CVE-2024-38175

HIGH · 8.8 CVSS v3.1 Published 2024-08-20
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
94/100
Remediation priority · Urgent
Remotely reachable Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
An improper access control vulnerability in the Azure Managed Instance for Apache Cassandra allows an authenticated attacker to elevate privileges over a network.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · moderate confidence

Azure Managed Instance for Apache Cassandra contains an improper access control vulnerability that allows an already-authenticated attacker to elevate their privileges within the service, potentially gaining unauthorized access to data or administrative functions.

MitigationApply Azure security patches for this vulnerability and review role-based access control (RBAC) configurations to ensure least-privilege principles are enforced.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Azure Managed Instance For Apache CassandraWeb server / proxy
Affected:all versions

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Confirm use of Azure Managed Instance for Apache Cassandra
    In Azure Portal, navigate to 'Resources' and filter by resource type 'Azure Managed Instance for Apache Cassandra' or run: az resource list --query "[?type=='Microsoft.AzureManagedCassandra/clusterInstances']"
    Affected if The resource type exists in the subscription, indicating use of the affected service
  2. Review RBAC role assignments for Cassandra resources
    Run: az role assignment list --scope /subscriptions/{sub-id}/resourceGroups/{rg-name}/providers/Microsoft.AzureManagedCassandra/clusters/{cluster-name} --output table. Examine all assigned roles and their assignees
    Affected if Multiple users, groups, or service principals have elevated roles (Contributor, Owner, or custom roles with write permissions) on the Cassandra resource
  3. Identify service principals with access to the Cassandra cluster
    In Azure Portal, go to the Cassandra cluster resource -> 'Access control (IAM)' -> 'Role assignments'. List all service principals and applications with any role assignment
    Affected if Service principals have been granted roles beyond Reader, particularly those that allow data access or configuration changes
  4. Check for custom RBAC roles with elevated permissions
    Run: az role definition list --custom-s true to list custom roles, then review their permissions for the Microsoft.AzureManagedCassandra provider
    Affected if Custom roles exist with broad permissions (actions/* or dataactions/*) on the Cassandra resource provider
  5. Audit recent privilege escalation opportunities
    Review Azure Activity Log for the Cassandra cluster resource: az monitor activity-log list --resource-group {rg} --resource {cluster} --query "[?contains(operationName.value, 'roleAssignment')]"
    Affected if Role assignments were recently created or modified that grant elevated privileges to users or services

A user is affected if they use Azure Managed Instance for Apache Cassandra and have any non-Reader RBAC role assignments, since the vulnerability allows privilege escalation for already-authenticated principals.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Apply Azure security patches for this vulnerability and review role-based access control (RBAC) configurations to ensure least-privilege principles are enforced.

Fix this in Azure Managed Instance For Apache Cassandra Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing6.0 h
  • Review / QA4.0 h
22.0 hours of engineering $3,860
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An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $6,176.

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2024-38175 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
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  • Version or environment caveats, and links to real fixes
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