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Ebx Add OnsPlugin / extension · Tibco

CVE-2023-26215

MEDIUM · 6.5 CVSS v3.1 Published 2023-05-25
Fix available
A fix is available. Upgrade to 4.5.17 or later.
See remediation →
71/100
Remediation priority · Elevated
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
The server component of TIBCO Software Inc.'s TIBCO EBX Add-ons contains a vulnerability that allows an attacker with low-privileged application access to read system files that are accessible to the web server. Affected releases are TIBCO Software Inc.'s TIBCO EBX Add-ons: versions 4.5.16 and below.

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

A path traversal or improper access control vulnerability in TIBCO EBX Add-ons server component allows authenticated low-privileged users to read arbitrary system files accessible to the web server process, potentially exposing sensitive configuration or credential data.

MitigationUpgrade to TIBCO EBX Add-ons version 4.5.17 or higher. If patching is not immediately possible, restrict application user permissions to the minimum required and review file system ACLs to limit web server process access to only necessary files.

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
Ebx Add OnsPlugin / extension
Affected:< 4.5.17

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
None
Availability
None

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

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. Identify if TIBCO EBX Add-ons is installed
    Look for the EBX Add-ons installation directory or check for EBX-related processes running on the system. Common locations include the TIBCO home directory or application server directories where EBX components are deployed.
    Affected if TIBCO EBX Add-ons software is present on the system
  2. Determine the installed version of EBX Add-ons
    Locate the EBX Add-ons version information file or check the product version through the EBX administrative console if accessible. The version is typically found in a version.properties file or displayed in the product UI.
    Affected if The installed version is lower than 4.5.17
  3. Verify if the EBX Add-ons server component is running and exposed
    Check if the EBX web server component is active and network-accessible. Look for the EBX HTTP listener process and confirm it is bound to an accessible network interface.
    Affected if The EBX Add-ons server is running and reachable over the network
  4. Review file system permissions accessible to the web server process
    Examine the file system ACLs and permissions granted to the user account under which the EBX web server process runs. Check what files and directories that user account can read on the system.
    Affected if The web server process user account has broad read access to sensitive system files or configuration data outside the intended application directories

A user is affected if TIBCO EBX Add-ons version lower than 4.5.17 is installed and its server component is running and accessible, combined with overly permissive file system access granted to the web server process.

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.

dbcve · scoped
Upgrade available Upgrade to 4.5.17 or later
Fixed in 4.5.17
Interim mitigation

Upgrade to TIBCO EBX Add-ons version 4.5.17 or higher. If patching is not immediately possible, restrict application user permissions to the minimum required and review file system ACLs to limit web server process access to only necessary files.

Recommended fix Moderate confidence

TIBCO EBX Add-ons version 4.5.17

  1. Identify the current version of TIBCO EBX Add-ons currently deployed
  2. Obtain TIBCO EBX Add-ons version 4.5.17 or later from the TIBCO official support portal (support.tibco.com)
  3. Review TIBCO's official upgrade documentation for EBX Add-ons
  4. Follow the standard TIBCO upgrade procedure to deploy version 4.5.17
  5. Verify the upgrade was successful by checking the version number in the administration console
  6. Validate that the path traversal vulnerability is no longer present
Caveat Review TIBCO release notes for version 4.5.17 to check for any breaking changes or compatibility considerations with your specific TIBCO environment

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Ebx Add Ons 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
Get the upgrade done

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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-2023-26215 in production — separate from our analysis above.

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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
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data