# CVE-2018-10241: Null dereference in n/a

> An authenticated user can crash the Serv-U application via a specially crafted URL, causing a denial of service.

- **Severity:** Medium 6.5 (`CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 16 May 2018
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-3x37-v82p-98jg

## What is CVE-2018-10241?

CVE-2018-10241 is a medium-severity vulnerability in Solarwinds Serv-U, published on 16 May 2018. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A denial of service vulnerability in SolarWinds Serv-U before 15.1.6 HFv1 allows an authenticated user to crash the application (with a NULL pointer dereference) via a specially crafted URL beginning with the /Web%20Client/ substring.

Weakness: CWE-476 (NULL Pointer Dereference)

## Which versions are affected by CVE-2018-10241?

It affects 1 product.


Products: Solarwinds Serv-U.

## How do I fix CVE-2018-10241?

No fix has been published for CVE-2018-10241 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-10241 being exploited?

There is no known exploitation of CVE-2018-10241 in the wild and no public exploit code.

## Other vulnerabilities in Solarwinds Serv-U

- [CVE-2021-35211](https://insights.sbomify.com/CVE-2021-35211/): SolarWinds Serv-U Remote Code Execution (critical 9.0, exploited in the wild)
- [CVE-2024-28995](https://insights.sbomify.com/CVE-2024-28995/): SolarWinds Serv-U Path Traversal Vulnerability (high 8.6, exploited in the wild)
- [CVE-2026-28318](https://insights.sbomify.com/CVE-2026-28318/): SolarWinds Serv-U Uncontrolled Resource Consumption (high 7.5, exploited in the wild)
- [CVE-2021-35247](https://insights.sbomify.com/CVE-2021-35247/): SolarWinds Serv-U Improper Input Validation (medium 4.3, exploited in the wild)
- [CVE-2020-35481](https://insights.sbomify.com/CVE-2020-35481/): Code injection in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-10241 and fix it if it is affected.

What it is: CVE-2018-10241 is a medium-severity vulnerability in Solarwinds Serv-U, published on 16 May 2018. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2018-10241 in the wild and no public exploit code.

Affected product: Solarwinds Serv-U. 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-2018-10241/ (Markdown: https://insights.sbomify.com/CVE-2018-10241/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-10241
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-10241
- OSV: https://osv.dev/vulnerability/CVE-2018-10241

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-10241/
Summaries are generated and may contain mistakes; the official description above is the record.