# CVE-2023-37497: An XML External Entity (XXE) Injection Vulnerability affects HCL Unica Platform

> An authenticated attacker can exploit an XML External Entity vulnerability in the HCL Unica Platform API to read sensitive data or cause denial of service.

- **Severity:** High 8.1 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 3 Aug 2023
- **Updated:** 17 Oct 2024
- **Also known as:** GHSA-47fr-467v-qcq4

## What is CVE-2023-37497?

CVE-2023-37497 is a high-severity vulnerability in HCL Unica Platform, published on 3 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The Unica application exposes an API which accepts arbitrary XML input. By manipulating the given XML, an authenticated attacker with certain rights can successfully perform XML External Entity attacks (XXE) against the backend service.

Weakness: CWE-611 (Improper Restriction of XML External Entity Reference)

## Which versions are affected by CVE-2023-37497?

It affects 1 product.


Products: Hcltech Unica.

## How do I fix CVE-2023-37497?

No fix has been published for CVE-2023-37497 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-37497 being exploited?

There is no known exploitation of CVE-2023-37497 in the wild and no public exploit code.

## Other vulnerabilities in HCL Unica Platform

- [CVE-2025-62319](https://insights.sbomify.com/CVE-2025-62319/): Boolean-Based SQL Injection in Multiple Unica Components (critical 9.8)
- [CVE-2023-37498](https://insights.sbomify.com/CVE-2023-37498/): HCL Unica Platform is vulnerable to a privilege escalation by unauthorized group assignation (high 8.1)
- [CVE-2023-37499](https://insights.sbomify.com/CVE-2023-37499/): A Persistent Cross-site Scripting (XSS) vulnerability affects HCL Unica Platform (high 8.1)
- [CVE-2023-37500](https://insights.sbomify.com/CVE-2023-37500/): A Persistent Cross-site Scripting (XSS) vulnerability affects HCL Unica Platform (high 8.1)
- [CVE-2023-37501](https://insights.sbomify.com/CVE-2023-37501/): A Persistent Cross-site Scripting (XSS) vulnerability affects HCL Unica Campaign (high 8.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-37497 and fix it if it is affected.

What it is: CVE-2023-37497 is a high-severity vulnerability in HCL Unica Platform, published on 3 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-37497 in the wild and no public exploit code.

Affected product: HCL Unica Platform. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2023-37497/ (Markdown: https://insights.sbomify.com/CVE-2023-37497/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-37497
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-37497
- OSV: https://osv.dev/vulnerability/CVE-2023-37497

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-37497/
Summaries are generated and may contain mistakes; the official description above is the record.