# CVE-2018-18388: Command injection in n/a

> Remote or local attackers can execute arbitrary commands on eScan Agent by sending crafted payloads to TCP port 2222.

- **Severity:** Critical 9.8 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 20 Dec 2018
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-qg5q-gxwj-cgv6

## What is CVE-2018-18388?

CVE-2018-18388 is a critical command injection vulnerability in n/a, published on 20 Dec 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

eScan Agent Application (MWAGENT.EXE) 4.0.2.98 in MicroWorld Technologies eScan 14.0 allows remote or local attackers to execute arbitrary commands by sending a carefully crafted payload to TCP port 2222.

## Which versions are affected by CVE-2018-18388?

It affects 1 product.


Products: Escanav Escan Anti-Virus.

## How do I fix CVE-2018-18388?

No fix has been published for CVE-2018-18388 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-18388 being exploited?

There is no known exploitation of CVE-2018-18388 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2025-0798](https://insights.sbomify.com/CVE-2025-0798/): MicroWorld eScan Antivirus Quarantine rtscanner os command injection (critical 9.2)
- [CVE-2023-4383](https://insights.sbomify.com/CVE-2023-4383/): MicroWorld eScan Anti-Virus runasroot incorrect execution-assigned permissions (high 7.8)
- [CVE-2021-26624](https://insights.sbomify.com/CVE-2021-26624/): eScan Anti-Virus Local privilege escalation Vulnerability (high 7.8)
- [CVE-2023-2875](https://insights.sbomify.com/CVE-2023-2875/): eScan Antivirus IoControlCode PROCOBSRVESX.SYS 0x22E008u null pointer dereference (medium 5.5)
- [CVE-2025-1366](https://insights.sbomify.com/CVE-2025-1366/): MicroWord eScan Antivirus VirusPopUp strcpy stack-based overflow (medium 4.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-18388 and fix it if it is affected.

What it is: CVE-2018-18388 is a critical command injection vulnerability in n/a, published on 20 Dec 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-2018-18388 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-2018-18388/ (Markdown: https://insights.sbomify.com/CVE-2018-18388/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-18388
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-18388
- OSV: https://osv.dev/vulnerability/CVE-2018-18388

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-18388/
Summaries are generated and may contain mistakes; the official description above is the record.