CVE-2020-37104 HIGH

CVE-2020-37104: ASTPP 4.0.1 VoIP Billing - Database Backup Download

Vendor Astpp
Product ASTPP
Weakness CWE-538
Published February 11, 2026
Last update March 5, 2026
View on NVD All CVEs

CVSS base score

8.7/10
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:N/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

ASTPP 4.0.1 contains an information disclosure vulnerability that allows unauthenticated attackers to download database backup files by predicting backup filename patterns. Attackers can generate a list of 6-digit PIN combinations and fuzz the backup download URL to exfiltrate sensitive database information from the /database_backup/ directory.

Key dates

02Disclosure timeline

February 11, 2026 CVE published
March 5, 2026 Record updated