CVE-2020-37228 - CVE House
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Status published Critical CVE-2020-37228

iDS6 DSSPro Digital Signage System 6.2 CAPTCHA Security Bypass

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • LiquidWorm as Gjoko Krstic of Zero Science Lab

References

More from Yerootech

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CVE-2020-36920
iDS6 DSSPro Digital Signage System 6.2 Privilege Escalation via Access Control
High 8.7
CVE-2020-36918
iDS6 DSSPro Digital Signage System 6.2 Cross-Site Request Forgery via User Management
Medium 5.1

Affected Vendor

Affected Software

iDS6 DSSPro Digital Signage System
Vulnerable Versions:
6.2

Timeline

Official Publish: May 16th, 2026
Last Modified: May 18th, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-307

MITRE ATT&CK TTPs

T1110 Brute Force
Credential Access
T1078 Valid Accounts
Persistence
T1550 Use Alternate Authentication Material
Defense Evasion
T1021 Remote Services
Lateral Movement
T1562 Impair Defenses
Defense Evasion