# CVE-2019-18190: Null dereference in Trend Micro Security (Consumer)

> A null pointer dereference in Trend Micro Security can cause application crashes and potentially allow unsigned code execution.

- **Severity:** Critical 9.8 (`CVSS:3.1/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:** 9 Dec 2019
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-27q8-8p72-c44c

## What is CVE-2019-18190?

CVE-2019-18190 is a critical vulnerability in Trend Micro Security (Consumer), published on 9 Dec 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Trend Micro Security (Consumer) 2020 (v16.x) is affected by a vulnerability in where null pointer dereference errors result in the crash of application, which could potentially lead to possible unsigned code execution under certain circumstances.

Weakness: CWE-476 (NULL Pointer Dereference)

## Which versions are affected by CVE-2019-18190?

It affects 4 products.


Products: Trendmicro Antivirus\+ Security 2020, Trendmicro Internet Security 2020, Trendmicro Maximum Security 2020, Trendmicro Premium Security 2020.

## How do I fix CVE-2019-18190?

No fix has been published for CVE-2019-18190 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-18190 being exploited?

There is no known exploitation of CVE-2019-18190 in the wild and no public exploit code.

## Other vulnerabilities in Trend Micro Security (Consumer)

- [CVE-2020-27695](https://insights.sbomify.com/CVE-2020-27695/): Privilege escalation in Trend Micro Security (Consumer) (high 7.8)
- [CVE-2020-27696](https://insights.sbomify.com/CVE-2020-27696/): Privilege escalation in Trend Micro Security (Consumer) (high 7.8)
- [CVE-2020-27697](https://insights.sbomify.com/CVE-2020-27697/): Privilege escalation in Trend Micro Security (Consumer) (high 7.8)
- [CVE-2021-25251](https://insights.sbomify.com/CVE-2021-25251/): Code injection in Trend Micro Security (Consumer) (high 7.2)
- [CVE-2019-19693](https://insights.sbomify.com/CVE-2019-19693/): Path traversal in Trend Micro Security (Consumer) (high 7.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-18190 and fix it if it is affected.

What it is: CVE-2019-18190 is a critical vulnerability in Trend Micro Security (Consumer), published on 9 Dec 2019. 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-2019-18190 in the wild and no public exploit code.

Affected product: Trend Micro Security (Consumer). 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-2019-18190/ (Markdown: https://insights.sbomify.com/CVE-2019-18190/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-18190
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-18190
- OSV: https://osv.dev/vulnerability/CVE-2019-18190

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From sbomify Insights: https://insights.sbomify.com/CVE-2019-18190/
Summaries are generated and may contain mistakes; the official description above is the record.