What’s Vulnerable › Vulnerabilities

CVE-2020-21991

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-04-28 · updated 2026-06-17
• Weakness: CWE-287

Description

AVE DOMINAplus <=1.10.x suffers from an authentication bypass vulnerability due to missing control check when directly calling the autologin GET parameter in changeparams.php script. Setting the autologin value to 1 allows an unauthenticated attacker to permanently disable the authentication security control and access the management interface with admin privileges without providing credentials.

Affected products

• Ave 53Ab-Wbs Firmware: 1.10.62
• Ave Dominaplus: from 1.10.11 through 1.10.77
• Ave Ts01 Firmware: 1.0.65
• Ave Ts03X-V Firmware: 1.10.45a
• Ave Ts04X-V Firmware: 1.10.45a
• Ave Ts05 Firmware: 1.10.36
• Ave Ts05N-V Firmware: all versions

References

• https://www.exploit-db.com/exploits/47822
• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5549.php
• https://www.exploit-db.com/exploits/47822
• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5549.php

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