# CVE-2020-28580: Command injection in Trend Micro InterScan Web Security Virtual Appliance

> Authenticated attackers can execute arbitrary OS commands with elevated privileges via crafted HTTP messages in Trend Micro InterScan Web Security Virtual Appliance.

- **Severity:** High 7.2 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 18 Nov 2020
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-3946-qxr3-66h7

## What is CVE-2020-28580?

CVE-2020-28580 is a high-severity command injection vulnerability in Trend Micro InterScan Web Security Virtual Appliance, published on 18 Nov 2020. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

A command injection vulnerability in AddVLANItem of Trend Micro InterScan Web Security Virtual Appliance 6.5 SP2 could allow an authenticated, remote attacker to send specially crafted HTTP messages and execute arbitrary OS commands with elevated privileges.

Weakness: CWE-78 (Improper Neutralization of Special Elements used in an OS Command)

## Which versions are affected by CVE-2020-28580?

It affects 1 product.


Products: Trendmicro Interscan Web Security Virtual Appliance.

## How do I fix CVE-2020-28580?

No fix has been published for CVE-2020-28580 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-28580 being exploited?

There is no known exploitation of CVE-2020-28580 in the wild and no public exploit code.

## Other vulnerabilities in Trend Micro InterScan Web Security Virtual Appliance

- [CVE-2016-9269](https://insights.sbomify.com/CVE-2016-9269/): Command injection in n/a (critical 9.9)
- [CVE-2020-8465](https://insights.sbomify.com/CVE-2020-8465/): Auth bypass in Trend Micro InterScan Web Security Virtual Appliance (critical 9.8)
- [CVE-2020-8466](https://insights.sbomify.com/CVE-2020-8466/): Command injection in Trend Micro InterScan Web Security Virtual Appliance (critical 9.8)
- [CVE-2020-28578](https://insights.sbomify.com/CVE-2020-28578/): Memory corruption in Trend Micro InterScan Web Security Virtual Appliance (critical 9.8)
- [CVE-2020-8606](https://insights.sbomify.com/CVE-2020-8606/): Auth bypass in Trend Micro InterScan Web Security Virtual Appliance (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-28580 and fix it if it is affected.

What it is: CVE-2020-28580 is a high-severity command injection vulnerability in Trend Micro InterScan Web Security Virtual Appliance, published on 18 Nov 2020. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2020-28580 in the wild and no public exploit code.

Affected product: Trend Micro InterScan Web Security Virtual Appliance. 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-2020-28580/ (Markdown: https://insights.sbomify.com/CVE-2020-28580/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-28580
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-28580
- OSV: https://osv.dev/vulnerability/CVE-2020-28580

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-28580/
Summaries are generated and may contain mistakes; the official description above is the record.
