Robohelp ServerApplication · Adobe

CVE-2023-22272

HIGH · 7.5 CVSS v3.1 Published 2023-11-17
Fix available
A fix is available. Upgrade to after 11.4 or later.
See remediation →
84/100
Remediation priority · High
Remotely reachable 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
Adobe RoboHelp Server versions 11.4 and earlier are affected by an Improper Input Validation vulnerability that could lead to information disclosure by an unauthenticated attacker. Exploitation of this issue does not require user interaction.

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

Adobe RoboHelp Server versions 11.4 and earlier contain an improper input validation vulnerability that permits unauthenticated attackers to potentially access sensitive information without any user interaction. The high CVSS score reflects the network-exploitable nature of this input validation flaw.

MitigationUpdate Adobe RoboHelp Server to the latest version beyond 11.4. If immediate patching is not feasible, restrict network access to the server and implement input validation controls at the application or network perimeter.

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
Robohelp ServerApplication
Affected:<= 11.4

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
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/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 Adobe RoboHelp Server installation
    Check for RoboHelp Server processes running on the system (typically uses Java/Tomcat), or look for installation directories such as C:\Program Files\Adobe\Adobe RoboHelp Server or /opt/robohelp-server on Linux systems.
    Affected if Adobe RoboHelp Server is installed and running on the system
  2. Determine installed version
    Locate the version information in the installation directory, typically in a version.txt, about.html, or in the product's help/about section. On Windows, also check the Windows Registry under HKLM\SOFTWARE\Adobe\RoboHelp Server for the Version value.
    Affected if The installed version is 11.4 or any version lower than 11.4
  3. Verify server is network-accessible
    Check if the RoboHelp Server ports (default HTTP ports 8080, 8443, or configured custom ports) are listening on network interfaces and accessible from outside the localhost. Use netstat or similar network tools to identify open listening ports.
    Affected if The server is listening on a non-localhost IP address and is reachable from network addresses
  4. Inspect server access logs
    Review RoboHelp Server access logs for unusual or unauthorized requests, particularly those with unexpected input patterns, unusual query parameters, or access to sensitive endpoints that were not initiated by legitimate users.
    Affected if Logs show unauthenticated requests from external IP addresses with anomalous input patterns

A system is affected if Adobe RoboHelp Server version 11.4 or earlier is installed, running, and network-accessible, allowing unauthenticated attackers to exploit improper input validation.

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 a release after 11.4
Interim mitigation

Update Adobe RoboHelp Server to the latest version beyond 11.4. If immediate patching is not feasible, restrict network access to the server and implement input validation controls at the application or network perimeter.

Recommended fix Moderate confidence

Version newer than 11.4 (contact Adobe or check official security advisory for exact fixed release)

  1. Identify your current Adobe RoboHelp Server version by checking the application or system documentation
  2. Contact Adobe support or visit the official Adobe security bulletin page (helpx.adobe.com) to obtain the specific patched version for this vulnerability
  3. Plan and schedule an upgrade during a maintenance window to minimize business impact
  4. Before upgrading, backup all critical data including configuration files, databases, and customizations
  5. Review the upgrade documentation for any prerequisites or pre-upgrade steps specific to your deployment
  6. Perform the upgrade to a version newer than 11.4 (the specific fixed release should be confirmed via Adobe's official security advisory)
  7. After upgrade, verify the application starts correctly and all services are operational
  8. Validate that the vulnerability is remediated by reviewing the Adobe security bulletin for the fixed version details
Caveat Review Adobe's upgrade documentation for potential compatibility considerations with custom integrations or workflows

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

Fix this in Robohelp Server Scoped from the published advisory
  • Consultation2.0 h
  • Implementation2.0 h
  • Testing2.0 h
  • Review / QA1.0 h
7.0 hours of engineering $1,240
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $1,984.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

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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-2023-22272 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