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Open Xchange AppsuiteApplication · Open Xchange

CVE-2023-26454

HIGH · 8.8 CVSS v3.1 Published 2023-11-02
Fix available
A fix is available. Upgrade to 7.10.6 or later.
See remediation →
93/100
Remediation priority · Urgent
No privileges 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
Requests to fetch image metadata could be abused to include SQL queries that would be executed unchecked. Exploiting this vulnerability requires at least access to adjacent networks of the imageconverter service, which is not exposed to public networks by default. Arbitrary SQL statements could be executed in the context of the services database user account. API requests are now properly checked for valid content and attempts to circumvent this check are being logged as error. No publicly available exploits are known.

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 · high confidence

SQL injection vulnerability in the imageconverter service's image metadata fetching functionality allows attackers with adjacent network access to execute arbitrary SQL statements via specially crafted API requests that include SQL queries in the metadata request. The fix implements proper API request validation and logs bypass attempts.

MitigationApply the vendor patch that implements proper API request validation for image metadata. Since the service is not exposed to public networks by default, ensure network segmentation controls remain in place as a defense-in-depth measure.

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
Open Xchange AppsuiteApplication
Affected:< 7.10.6= 7.10.6

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
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:A/AC:L/PR:N/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. Identify Open Xchange Appsuite installation and version
    Check the installed package or running service version using system package management tools, the appsuite admin interface, or by querying the service directly for its version information
    Affected if The installed version is any version prior to 7.10.6 or exactly 7.10.6
  2. Confirm imageconverter service is enabled
    Verify the imageconverter service is running and accessible in your environment, typically via service management commands or by checking the appsuite configuration for enabled services
    Affected if The imageconverter service is active and processing metadata requests
  3. Check for security update or patch presence
    Review installed security patches or updates for CVE-2023-26454 using your system's patch management tool, or inspect the appsuite change log for the SQL injection fix implementation
    Affected if The security patch addressing this SQL injection has not been applied
  4. Verify network exposure of the imageconverter API
    Examine network configuration and firewall rules to determine if the imageconverter API endpoint is accessible from adjacent network segments
    Affected if The service API is reachable from network segments beyond its intended trusted zone

You are affected if Open Xchange Appsuite version is less than 7.10.6 or exactly 7.10.6, the imageconverter service is enabled, and the CVE-specific patch has not been applied.

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 7.10.6 or later
Fixed in 7.10.6
Interim mitigation

Apply the vendor patch that implements proper API request validation for image metadata. Since the service is not exposed to public networks by default, ensure network segmentation controls remain in place as a defense-in-depth measure.

Recommended fix High confidence

Open Xchange Appsuite 7.10.6 or later (latest 7.10.x stable release)

  1. 1. Identify the current installed version of Open Xchange Appsuite by checking the package manager or OX admin console
  2. 2. Plan maintenance window as upgrade will require service restart
  3. 3. Back up current configuration and database before proceeding
  4. 4. Upgrade Open Xchange Appsuite to version 7.10.6 or later (recommended: latest stable 7.10.x release)
  5. 5. Verify the imageconverter service starts successfully after upgrade
  6. 6. Check logs to confirm SQL injection attempts are being properly logged and blocked
  7. 7. Confirm adjacent network access controls remain in place as per defense-in-depth recommendations
Caveat Review release notes for 7.10.6 for any configuration or API changes that may affect existing integrations

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

Fix this in Open Xchange Appsuite Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing6.0 h
  • Review / QA3.0 h
21.0 hours of engineering $3,680
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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-2023-26454 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