# CVE-2018-4834: File upload in Desigo PXC00-E.D V4.10 > An attacker can upload malicious files to Siemens Desigo controllers, potentially leading to remote 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/E:P/RL:O/RC:C`) - **Exploited in the wild:** Not known - **Login needed:** Not needed - **Attackable:** Over the internet - **Victim action needed:** Not needed - **Fix available:** No - **Published:** 24 Jan 2018 - **Updated:** 17 Sep 2024 - **Also known as:** GHSA-6764-3gh7-vvcp ## What is CVE-2018-4834? CVE-2018-4834 is a critical vulnerability in Siemens Desigo PXC00-E.D V4.10, published on 24 Jan 2018. An attacker can exploit it over the internet without logging in, with no action from the victim. ### Official description A vulnerability has been identified in Desigo PXC00-E.D V4.10 (All versions < V4.10.111), Desigo PXC00-E.D V5.00 (All versions < V5.0.171), Desigo PXC00-E.D V5.10 (All versions < V5.10.69), Desigo PXC00-E.D V6.00 (All versions < V6.0.204), Desigo PXC00/64/128-U V4.10 (All versions < V4.10.111 only with web module), Desigo PXC00/64/128-U V5.00 (All versions < V5.0.171 only with web module), Desigo PXC00/64/128-U V5.10 (All versions < V5.10.69 only with web module), Desigo PXC00/64/128-U V6.00 (All versions < V6.0.204 only with web module), Desigo PXC001-E.D V4.10 (All versions < V4.10.111), Desigo PXC001-E.D V5.00 (All versions < V5.0.171), Desigo PXC001-E.D V5.10 (All versions < V5.10.69), Desigo PXC001-E.D V6.00 (All versions < V6.0.204), Desigo PXC100-E.D V4.10 (All versions < V4.10.111), Desigo PXC100-E.D V5.00 (All versions < V5.0.171), Desigo PXC100-E.D V5.10 (All versions < V5.10.69), Desigo PXC100-E.D V6.00 (All versions < V6.0.204), Desigo PXC12-E.D V4.10 (All versions < V4.10.111), Desigo PXC12-E.D V5.00 (All versions < V5.0.171), Desigo PXC12-E.D V5.10 (All versions < V5.10.69), Desigo PXC12-E.D V6.00 (All versions < V6.0.204), Desigo PXC200-E.D V4.10 (All versions < V4.10.111), Desigo PXC200-E.D V5.00 (All versions < V5.0.171), Desigo PXC200-E.D V5.10 (All versions < V5.10.69), Desigo PXC200-E.D V6.00 (All versions < V6.0.204), Desigo PXC22-E.D V4.10 (All versions < V4.10.111), Desigo PXC22-E.D V5.00 (All versions < V5.0.171), Desigo PXC22-E.D V5.10 (All versions < V5.10.69), Desigo PXC22-E.D V6.00 (All versions < V6.0.204), Desigo PXC22.1-E.D V4.10 (All versions < V4.10.111), Desigo PXC22.1-E.D V5.00 (All versions < V5.0.171), Desigo PXC22.1-E.D V5.10 (All versions < V5.10.69), Desigo PXC22.1-E.D V6.00 (All versions < V6.0.204), Desigo PXC36.1-E.D V4.10 (All versions < V4.10.111), Desigo PXC36.1-E.D V5.00 (All versions < V5.0.171), Desigo PXC36.1-E.D V5.10 (All versions < V5.10.69), Desigo PXC36.1-E.D V6.00 (All versions < V6.0.204), Desigo PXC50-E.D V4.10 (All versions < V4.10.111), Desigo PXC50-E.D V5.00 (All versions < V5.0.171), Desigo PXC50-E.D V5.10 (All versions < V5.10.69), Desigo PXC50-E.D V6.00 (All versions < V6.0.204), Desigo PXM20-E V4.10 (All versions < V4.10.111), Desigo PXM20-E V5.00 (All versions < V5.0.171), Desigo PXM20-E V5.10 (All versions < V5.10.69), Desigo PXM20-E V6.00 (All versions < V6.0.204). A remote attacker with network access to the device could potentially upload a new firmware image to the devices without prior authentication. Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type), CWE-306 (Missing Authentication for Critical Functionality) ## Which versions are affected by CVE-2018-4834? It affects 5 products. Products: Siemens Pxc001-E.d Firmware, Siemens Pxc00\/50\/100\/200-E.d Firmware, Siemens Pxc00\/64\/128-U Firmware, Siemens Pxc12\/22\/36-E.d Firmware, Siemens Pxm20-E Firmware. ## How do I fix CVE-2018-4834? No fix has been published for CVE-2018-4834 yet. Limit exposure of the affected software until one is available. ## Is CVE-2018-4834 being exploited? There is no known exploitation of CVE-2018-4834 in the wild and no public exploit code. ## Fix prompt for AI coding agents ```text Check this codebase for CVE-2018-4834 and fix it if it is affected. What it is: CVE-2018-4834 is a critical vulnerability in Siemens Desigo PXC00-E.D V4.10, published on 24 Jan 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-2018-4834 in the wild and no public exploit code. Affected product: Siemens Desigo PXC00-E.D V4.10. 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-2018-4834/ (Markdown: https://insights.sbomify.com/CVE-2018-4834/index.md) ``` ## Sources - CVE record: https://www.cve.org/CVERecord?id=CVE-2018-4834 - NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-4834 - OSV: https://osv.dev/vulnerability/CVE-2018-4834 --- From sbomify Insights: https://insights.sbomify.com/CVE-2018-4834/ Summaries are generated and may contain mistakes; the official description above is the record.