# CVE-2018-5314: Command injection in n/a

> Remote attackers can execute system commands or read arbitrary files via SSH login prompt in Citrix NetScaler ADC and Gateway.

- **Severity:** High 7.5 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 1 Mar 2018
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-q654-j343-6r89

## What is CVE-2018-5314?

CVE-2018-5314 is a high-severity command injection vulnerability in n/a, published on 1 Mar 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Command injection vulnerability in Citrix NetScaler ADC and NetScaler Gateway 11.0 before build 70.16, 11.1 before build 55.13, and 12.0 before build 53.13; and the NetScaler Load Balancing instance distributed with NetScaler SD-WAN/CloudBridge 4000, 4100, 5000 and 5100 WAN Optimization Edition 9.3.0 allows remote attackers to execute a system command or read arbitrary files via an SSH login prompt.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2018-5314?

It affects 3 products.


Products: Citrix NetScaler ADC, Citrix Netscaler Gateway, Citrix Netscaler Sd-Wan.

## How do I fix CVE-2018-5314?

No fix has been published for CVE-2018-5314 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-5314 being exploited?

There is no known exploitation of CVE-2018-5314 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2023-3519](https://insights.sbomify.com/CVE-2023-3519/): Citrix NetScaler ADC and NetScaler Gateway Code Injection (critical 9.8, exploited in the wild)
- [CVE-2026-88771](https://insights.sbomify.com/CVE-2026-88771/): Citrix NetScaler Improper Input Validation (critical 9.5, exploited in the wild)
- [CVE-2026-88772](https://insights.sbomify.com/CVE-2026-88772/): Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer (critical 9.5, exploited in the wild)
- [CVE-2023-4966](https://insights.sbomify.com/CVE-2023-4966/): Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow (critical 9.4, exploited in the wild)
- [CVE-2026-19490](https://insights.sbomify.com/CVE-2026-19490/): Citrix NetScaler Authentication Bypass Using an Alternate Path or Channel (critical 9.3, exploited in the wild)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-5314 and fix it if it is affected.

What it is: CVE-2018-5314 is a high-severity command injection vulnerability in n/a, published on 1 Mar 2018. 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-2018-5314 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-2018-5314/ (Markdown: https://insights.sbomify.com/CVE-2018-5314/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-5314
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-5314
- OSV: https://osv.dev/vulnerability/CVE-2018-5314

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From sbomify Insights: https://insights.sbomify.com/CVE-2018-5314/
Summaries are generated and may contain mistakes; the official description above is the record.