# CVE-2021-41835: Fresenius Kabi Agilia Connect Infusion System use of a broken or risky cryptographic algorithm

> Attackers can intercept cleartext data because the infusion system fails to redirect unencrypted HTTP traffic to HTTPS.

- **Severity:** High 7.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 21 Jan 2022
- **Updated:** 16 Apr 2025
- **Also known as:** GHSA-42g4-xc42-5fr4

## What is CVE-2021-41835?

CVE-2021-41835 is a high-severity vulnerability in Fresenius Kabi Agilia Link+, published on 21 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Fresenius Kabi Agilia Link + version 3.0 does not enforce transport layer encryption. Therefore, transmitted data may be sent in cleartext. Transport layer encryption is offered on Port TCP/443, but the affected service does not perform an automated redirect from the unencrypted service on Port TCP/80 to the encrypted service.

Weakness: CWE-319 (Cleartext Transmission of Sensitive Information), CWE-327 (Use of a Broken or Risky Cryptographic Algorithm)

## Which versions are affected by CVE-2021-41835?

It affects 6 products.


Products: Fresenius-Kabi Agilia Connect, Fresenius-Kabi Agilia Partner Maintenance Software, Fresenius-Kabi Link\+ Agilia Firmware, Fresenius-Kabi Vigilant Centerium, Fresenius-Kabi Vigilant Insight, Fresenius-Kabi Vigilant Mastermed.

## How do I fix CVE-2021-41835?

No fix has been published for CVE-2021-41835 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-41835 being exploited?

There is no known exploitation of CVE-2021-41835 in the wild and no public exploit code.

## Other vulnerabilities in Fresenius Kabi Agilia Link+

- [CVE-2021-23207](https://insights.sbomify.com/CVE-2021-23207/): Fresenius Kabi Agilia Connect Infusion System plaintext storage of a password (medium 6.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-41835 and fix it if it is affected.

What it is: CVE-2021-41835 is a high-severity vulnerability in Fresenius Kabi Agilia Link+, published on 21 Jan 2022. 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-2021-41835 in the wild and no public exploit code.

Affected product: Fresenius Kabi Agilia Link+. 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-2021-41835/ (Markdown: https://insights.sbomify.com/CVE-2021-41835/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-41835
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-41835
- OSV: https://osv.dev/vulnerability/CVE-2021-41835

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-41835/
Summaries are generated and may contain mistakes; the official description above is the record.