# CVE-2019-8459: Path traversal in Check Point Endpoint Security Client for Windows, VPN blade

> An attacker can execute arbitrary code by placing a malicious executable in a path with spaces, exploiting unquoted process paths in the VPN blade.

- **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 Jun 2019
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-vp84-gqh8-x8v5

## What is CVE-2019-8459?

CVE-2019-8459 is a critical path traversal vulnerability in Check Point Endpoint Security Client for Windows, VPN blade, published on 20 Jun 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Check Point Endpoint Security Client for Windows, with the VPN blade, before version E80.83, starts a process without using quotes in the path. This can cause loading of a previously placed executable with a name similar to the parts of the path, instead of the intended one.

Weakness: CWE-428 (Unquoted Search Path or Element)

## Which versions are affected by CVE-2019-8459?

It affects 6 products.


Products: Checkpoint Capsule Docs Standalone Client, Checkpoint Endpoint Security Clients, Checkpoint Endpoint Security Server Package, Checkpoint Jumbo Hotfix for Endpoint Security Server, Checkpoint Remote Access Clients, Checkpoint Smartconsole for Endpoint Security Server.

## How do I fix CVE-2019-8459?

No fix has been published for CVE-2019-8459 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-8459 being exploited?

There is no known exploitation of CVE-2019-8459 in the wild and no public exploit code.

## Other vulnerabilities in Check Point Endpoint Security Client for Windows, VPN blade

- [CVE-2019-8461](https://insights.sbomify.com/CVE-2019-8461/): Code injection in Check Point Endpoint Security Initial Client for Windows (high 7.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-8459 and fix it if it is affected.

What it is: CVE-2019-8459 is a critical path traversal vulnerability in Check Point Endpoint Security Client for Windows, VPN blade, published on 20 Jun 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-2019-8459 in the wild and no public exploit code.

Affected product: Check Point Endpoint Security Client for Windows, VPN blade. 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-2019-8459/ (Markdown: https://insights.sbomify.com/CVE-2019-8459/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-8459
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-8459
- OSV: https://osv.dev/vulnerability/CVE-2019-8459

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-8459/
Summaries are generated and may contain mistakes; the official description above is the record.