dbcve.org
UnicaApplication · Hcltech

CVE-2023-37498

HIGH · 8.8 CVSS v3.1 Published 2023-08-03
Fix available
A fix is available. Upgrade to 12.1.1 or later.
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
A user is capable of assigning him/herself to arbitrary groups by reusing a POST request issued by an administrator.  It is possible that an attacker could potentially escalate their privileges.

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

This is a privilege escalation vulnerability likely caused by missing or insufficient CSRF (Cross-Site Request Forgery) protection. An authenticated attacker can capture a legitimate POST request from an administrator (e.g., via session hijacking, MITM, or social engineering) and replay it to assign their own user account to arbitrary groups, thereby gaining elevated privileges within the application.

MitigationImplement robust CSRF protection using cryptographically unique, per-request tokens validated server-side on all state-changing operations, combined with SameSite cookie attributes and proper Referer/Origin header validation.

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
UnicaApplication
Affected:< 12.1.1

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. Identify installed Hcltech Unica version
    Locate the Unica installation directory and check version files (typically in the product's About or versioninfo location, or via the admin console). Common locations include the installation root or config/version.properties.
    Affected if The installed version is below 12.1.1 (any version < 12.1.1 is affected)
  2. Verify CSRF token presence on user group assignment endpoint
    Capture a legitimate group assignment POST request (e.g., assigning a user to a group) using browser dev tools or a proxy. Inspect the request body for a CSRF token parameter or header.
    Affected if No CSRF token parameter or custom header is present in state-changing POST requests for user-group assignment
  3. Check SameSite cookie attribute configuration
    Inspect cookies set by the Unica application in browser dev tools (Application tab > Cookies) or via HTTP response headers. Look for the session cookie attributes.
    Affected if Session cookies lack SameSite attribute or are set to SameSite=None without Secure flag
  4. Test for CSRF vulnerability via replay attack simulation
    Using a tool like Burp Suite or curl, replay a captured group assignment POST request without the original session token to determine if the server accepts it without valid CSRF protection.
    Affected if The server accepts and processes the request without rejecting it due to missing or invalid CSRF token

You are affected if your Unica version is below 12.1.1 AND CSRF protection (per-request tokens) is missing on user group assignment functionality.

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 12.1.1 or later
Fixed in 12.1.1
Interim mitigation

Implement robust CSRF protection using cryptographically unique, per-request tokens validated server-side on all state-changing operations, combined with SameSite cookie attributes and proper Referer/Origin header validation.

Recommended fix High confidence

12.1.1

  1. Verify the current Unica installation version by accessing the HCL Unica dashboard or checking the installation directory
  2. Review the HCL Unica 12.1.1 release notes and upgrade documentation available at support.hcltechsw.com for any prerequisites
  3. Create a complete backup of the current Unica installation including database and configuration files
  4. Download HCL Unica version 12.1.1 or later from the official HCL license portal
  5. Execute the upgrade following the documented upgrade path from your current version to 12.1.1
  6. Verify the upgrade was successful by logging into the Unica interface
  7. Confirm that the CSRF protection or request validation fix is properly implemented by testing group assignment functionality
Caveat Review HCL Unica 12.1.1 release notes for any compatibility changes or configuration adjustments required during upgrade

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

Fix this in Unica Scoped from the published advisory
  • Consultation6.0 h
  • Implementation12.0 h
  • Testing6.0 h
  • Review / QA3.0 h
27.0 hours of engineering $4,800
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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-2023-37498 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