# CVE-2018-19106: Open redirect in n/a

> An attacker can exploit invalid URL encoding in redirects to send users to malicious sites, requiring an upgrade to Avi Vantage.

- **Severity:** Medium 6.1 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 20 Feb 2019
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-h66w-5hwp-64q9

## What is CVE-2018-19106?

CVE-2018-19106 is a medium-severity vulnerability in n/a, published on 20 Feb 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

Avi Vantage before 17.2.13 uses an invalid URL encoding during a redirect operation, aka AV-33959.

Weakness: CWE-601 (URL Redirection to Untrusted Site)

## Which versions are affected by CVE-2018-19106?

It affects 1 product.


Products: Avinetworks Avi Vantage.

## How do I fix CVE-2018-19106?

No fix has been published for CVE-2018-19106 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-19106 being exploited?

There is no known exploitation of CVE-2018-19106 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-19106 and fix it if it is affected.

What it is: CVE-2018-19106 is a medium-severity vulnerability in n/a, published on 20 Feb 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2018-19106 in the wild and no public exploit code.

Affected product: n/a. 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-2018-19106/ (Markdown: https://insights.sbomify.com/CVE-2018-19106/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-19106
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-19106
- OSV: https://osv.dev/vulnerability/CVE-2018-19106

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-19106/
Summaries are generated and may contain mistakes; the official description above is the record.