What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-02-11 · updated 2026-06-17
• Weakness: CWE-538

Description

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.

Affected products

• ASTPP: 4.0.1

References

• https://github.com/iNextrix/ASTPP
• https://www.astppbilling.org/
• https://www.exploit-db.com/exploits/47900
• https://www.vulncheck.com/advisories/astpp-voip-billing-database-backup-download

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