# CVE-2020-27148: TIBCO EBX EXML External Entity

> A low-privileged attacker can exploit an XML External Entity vulnerability in TIBCO EBX Add-ons to read sensitive data or cause denial of service.

- **Severity:** High 7.1 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 12 Jan 2021
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-x33g-fm74-m47v

## What is CVE-2020-27148?

CVE-2020-27148 is a high-severity vulnerability in TIBCO EBX Add-ons, published on 12 Jan 2021. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The TIBCO EBX Add-on for Oracle Hyperion EPM, TIBCO EBX Data Exchange Add-on, and TIBCO EBX Insight Add-on components of TIBCO Software Inc.'s TIBCO EBX Add-ons contain a vulnerability that theoretically allows a low privileged attacker with network access to execute an XML External Entity (XXE) attack. Affected releases are TIBCO Software Inc.'s TIBCO EBX Add-ons: versions 4.4.2 and below.

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

## Which versions are affected by CVE-2020-27148?

It affects 1 product.


Products: Tibco Ebx Add-Ons.

## How do I fix CVE-2020-27148?

No fix has been published for CVE-2020-27148 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-27148 being exploited?

There is no known exploitation of CVE-2020-27148 in the wild and no public exploit code.

## Other vulnerabilities in TIBCO EBX Add-ons

- [CVE-2023-26216](https://insights.sbomify.com/CVE-2023-26216/): TIBCO EBX Add-ons Arbitrary File Write (critical 9.1)
- [CVE-2023-26217](https://insights.sbomify.com/CVE-2023-26217/): TIBCO EBX Add-ons SQL Injection Vulnerability (high 8.8)
- [CVE-2022-41566](https://insights.sbomify.com/CVE-2022-41566/): TIBCO EBX Add-ons Cross Site Scripting (XSS) Vulnerability (high 8.7)
- [CVE-2022-30578](https://insights.sbomify.com/CVE-2022-30578/): TIBCO EBX Add-ons Stored XSS vulnerability (high 8.0)
- [CVE-2023-26215](https://insights.sbomify.com/CVE-2023-26215/): TIBCO EBX® Add-ons Path Traversal (high 7.7)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-27148 and fix it if it is affected.

What it is: CVE-2020-27148 is a high-severity vulnerability in TIBCO EBX Add-ons, published on 12 Jan 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2020-27148 in the wild and no public exploit code.

Affected product: TIBCO EBX Add-ons. 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-2020-27148/ (Markdown: https://insights.sbomify.com/CVE-2020-27148/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-27148
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-27148
- OSV: https://osv.dev/vulnerability/CVE-2020-27148

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-27148/
Summaries are generated and may contain mistakes; the official description above is the record.