CVE-2023-53983 CRITICAL

CVE-2023-53983: Anevia Flamingo XL/XS 3.6.20 Default Credentials Authentication Bypass

Vendor Ateme
Product Anevia Flamingo XL/XS
Weakness CWE-798 · Hardcoded credentials
Published December 30, 2025
Last update January 16, 2026
View on NVD All CVEs

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS 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

What the vulnerability does

01Description

Anevia Flamingo XL/XS 3.6.20 contains a critical vulnerability with weak default administrative credentials that can be easily guessed. Attackers can leverage these hard-coded credentials to gain full remote system control without complex authentication mechanisms.

Key dates

02Disclosure timeline

December 30, 2025 CVE published
January 16, 2026 Record updated