CVE-2023-54405

9.8 CRITICALpublic exploit available

Published 2026-10-02 · Updated 2026-10-06

AI risk analysis

Summary: This vulnerability allows unauthenticated attackers to upload arbitrary files, potentially leading to remote code execution.
Exploitability: Exploitation is relatively straightforward as it requires manipulating a token parameter to upload a malicious JSP file.
Blast radius: If exploited, attackers could gain full control over the web server, leading to significant damage.
Detection: No reliable host or network indicator is derivable from the published description.
Prioritized remediation: Disable the affected /cas/fileUpload/upload endpoint or restrict access to it.

rcewebuploadunauth

Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.

NVD description

H3C CVM, the Cloud Virtualization Management component of the H3C CAS cloud platform, contains an unauthenticated arbitrary file upload vulnerability in the /cas/fileUpload/upload endpoint that allows remote attackers to write arbitrary files by manipulating the caller-supplied token parameter without restricting path traversal or file type. Attackers can exploit the path traversal in the token parameter to upload a malicious JSP file into a web-accessible directory and then request it to achieve remote code execution as the web-server user. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-14.

CVSS vector

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

Weaknesses

CWE-434

Public exploit & PoC references

https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/other/h3c-cvm-arbitrary-file-upload.yaml

All references

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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