CVE-2020-37228

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.

Overview

State

—

Assigner (CNA)

—

CVSS severity

critical

CVSS score

9.8 / 10

CVSS vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Effective score

9.8 / 10 CRITICAL source: CNA overview

CWE(s)

—

Reserved

—

Published

—

Last updated

—

Source

https://www.tenable.com/cve/CVE-2020-37228

Linked Threat

CVE-2020-37228 — CVE-2020-37228

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published

2026-05-16 16:16:18 UTC

NVD last modified

2026-05-18 20:16:36 UTC

NVD CVSS v3.1

9.8 / 10 CRITICAL source: disclosure@vulncheck.com

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability subscore

3.9 / 10

Impact subscore

5.9 / 10

EPSS score

0.0009 (probability of exploitation in next 30 days)

EPSS percentile

26.22% vs all CVEs — higher = more likely to be exploited, as of 2026-05-24

NVD-assigned CWE(s): CWE-307 (differs from the CNA list above)

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID

EUVD-2020-31229

Assigner

VulnCheck

Published

May 16, 2026, 3:25:46 PM

Updated

May 18, 2026, 5:53:37 PM

EUVD base score (CVSS 4.0)

9.3 / 10
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

EUVD-reported EPSS

0.1000

Vendors

Yerootech

Products

iDS6 DSSPro Digital Signage System (6.2)

Aliases

GHSA-3rx5-cvg5-f68h

ENISA 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.

Vendor references (0)

References embedded in the original CVE record by the assigning CNA.

None in the CVE record.

Web references (7)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

• http://www.yerootech.com tenable:www.yerootech.com
• https://nvd.nist.gov/vuln/detail/CVE-2020-37228 tenable:nvd.nist.gov
• https://www.cve.org/CVERecord?id=CVE-2020-37228 tenable:www.cve.org
• https://www.exploit-db.com/exploits/48991 tenable:www.exploit-db.com
• https://www.first.org/epss/ tenable:www.first.org
• https://www.vulncheck.com/advisories/ids6-dsspro-digital-signage-system-captcha-security-bypass tenable:www.vulncheck.com
• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5607.php tenable:www.zeroscience.mk

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

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• Oracle Critical Patch Update, April 2026 Security Update Review
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• Security Advisory Bulletin 064 | Ubiquiti Community
  web:community.ui.com

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