---
title: "CVE-2023-54405: H3C CVM - Unrestricted File Upload"
description: "H3C CVM contains an unauthenticated arbitrary file upload vulnerability caused by insufficient validation of the token parameter in /cas/fileUpload/upload, letting remote attackers upload malicious files and achieve remote code execution, exploit requires no authentication."
url: https://panop.io/threat-heartbeat/CVE-2023-54405/
---

# CVE-2023-54405 H3C CVM - Unrestricted File Upload

H3C CVM contains an unauthenticated arbitrary file upload vulnerability caused by insufficient validation of the token parameter in /cas/fileUpload/upload, letting remote attackers upload malicious files and achieve remote code execution, exploit requires no authentication.

CVSS base score 9.8 /10

Critical

CISA KEV

Exploited in the wild

Public exploit

None known

Authentication

Not required

EPSS

0.59% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2023-54405)

## Details

Type

Unrestricted File Upload

Impact

Remote Code Execution, File System Write

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Published

2 October 2026

Updated

15 October 2026

Weakness

[CWE-434](https://cwe.mitre.org/data/definitions/434.html)

## Vendor fix

Update to the latest version of H3C CVM with the vulnerability fixed.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2023-54405](https://nvd.nist.gov/vuln/detail/CVE-2023-54405)
- [https://www.h3c.com/en/Support/Resource\_Center/EN/Cloud\_Computing/Catalog/H3C\_CAS/H3C\_CAS/Technical\_Documents/Configure\_\_\_Deploy/User\_Manuals/H3C\_CAS\_CVM\_UG\_E0785-21554/?CHID=1087104](https://www.h3c.com/en/Support/Resource_Center/EN/Cloud_Computing/Catalog/H3C_CAS/H3C_CAS/Technical_Documents/Configure___Deploy/User_Manuals/H3C_CAS_CVM_UG_E0785-21554/?CHID=1087104)
- [https://www.vulncheck.com/advisories/h3c-cvm-unauthenticated-file-upload-via-fileupload-upload-token](https://www.vulncheck.com/advisories/h3c-cvm-unauthenticated-file-upload-via-fileupload-upload-token)
- [https://www.cve.org/CVERecord?id=CVE-2023-54405](https://www.cve.org/CVERecord?id=CVE-2023-54405)
- [https://blog.csdn.net/qq\_41904294/article/details/134697278](https://blog.csdn.net/qq_41904294/article/details/134697278)
- [https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/other/h3c-cvm-arbitrary-file-upload.yaml](https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/other/h3c-cvm-arbitrary-file-upload.yaml)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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