# CVE-2025-3850: YXJ2018 SpringBoot-Vue-OnlineExam API improper authentication

> Remote attackers can bypass authentication in the YXJ2018 SpringBoot-Vue-OnlineExam API, potentially gaining unauthorized access despite high attack complexity.

- **Severity:** Medium 6.3 (`CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 22 Apr 2025
- **Updated:** 22 Apr 2025
- **Also known as:** GHSA-8gvc-q69p-8ggr

## What is CVE-2025-3850?

CVE-2025-3850 is a medium-severity authentication bypass vulnerability in YXJ2018 SpringBoot-Vue-OnlineExam, published on 22 Apr 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability, which was classified as problematic, has been found in YXJ2018 SpringBoot-Vue-OnlineExam 1.0. This issue affects some unknown processing of the component API. The manipulation leads to improper authentication. The attack may be initiated remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2025-3850?

It affects 1 product.


Products: Yxj2018 Springboot-Vue-Onlineexam.

## How do I fix CVE-2025-3850?

No fix has been published for CVE-2025-3850 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-3850 being exploited?

There is no known exploitation of CVE-2025-3850 in the wild and no public exploit code.

## Other vulnerabilities in YXJ2018 SpringBoot-Vue-OnlineExam

- [CVE-2025-3849](https://insights.sbomify.com/CVE-2025-3849/): YXJ2018 SpringBoot-Vue-OnlineExam studentPWD unverified password change (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-3850 and fix it if it is affected.

What it is: CVE-2025-3850 is a medium-severity authentication bypass vulnerability in YXJ2018 SpringBoot-Vue-OnlineExam, published on 22 Apr 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-3850 in the wild and no public exploit code.

Affected product: YXJ2018 SpringBoot-Vue-OnlineExam. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2025-3850/ (Markdown: https://insights.sbomify.com/CVE-2025-3850/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-3850
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-3850
- OSV: https://osv.dev/vulnerability/CVE-2025-3850

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-3850/
Summaries are generated and may contain mistakes; the official description above is the record.