# CVE-2025-30042: Session generation possible with certificate number only

> Attackers can bypass smart card authentication in CGM CLININET by using only the certificate number, gaining unauthorized access without the physical card or private key.

- **Severity:** Critical 9.0 (`CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 2 Mar 2026
- **Updated:** 2 Mar 2026
- **Also known as:** GHSA-rfwf-h4fr-xr3g

## What is CVE-2025-30042?

CVE-2025-30042 is a critical authentication bypass vulnerability in CGM CLININET, published on 2 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

The CGM CLININET system provides smart card authentication; however, authentication is conducted locally on the client device, and, in reality, only the certificate number is used for access verification. As a result, possession of the certificate number alone is sufficient for authentication, regardless of the actual presence of the smart card or ownership of the private key.

Weakness: CWE-603 (Use of Client-Side Authentication)

## Which versions are affected by CVE-2025-30042?

It affects 1 product.


Products: Cgm Clininet.

## How do I fix CVE-2025-30042?

No fix has been published for CVE-2025-30042 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-30042 being exploited?

There is no known exploitation of CVE-2025-30042 in the wild and no public exploit code.

## Other vulnerabilities in CGM CLININET

- [CVE-2025-58402](https://insights.sbomify.com/CVE-2025-58402/): Insecure Direct Object Reference Message ID (high 7.1)
- [CVE-2025-58405](https://insights.sbomify.com/CVE-2025-58405/): Lack of protection mechanisms against Clickjacking attacks (medium 5.3)
- [CVE-2025-58406](https://insights.sbomify.com/CVE-2025-58406/): Lack of HTTP Response Headers (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-30042 and fix it if it is affected.

What it is: CVE-2025-30042 is a critical authentication bypass vulnerability in CGM CLININET, published on 2 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-30042 in the wild and no public exploit code.

Affected product: CGM CLININET. 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-2025-30042/ (Markdown: https://insights.sbomify.com/CVE-2025-30042/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-30042
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-30042
- OSV: https://osv.dev/vulnerability/CVE-2025-30042

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-30042/
Summaries are generated and may contain mistakes; the official description above is the record.