High severity7.5NVD Advisory· Published Feb 11, 2026· Updated Jun 17, 2026
CVE-2020-37104
CVE-2020-37104
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.
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Affected products
4- Range: <4.0.1
Patches
Vulnerability mechanics
References
3- www.exploit-db.com/exploits/47900nvdExploitThird Party AdvisoryVDB Entry
- www.vulncheck.com/advisories/astpp-voip-billing-database-backup-downloadnvdThird Party Advisory
- www.astppbilling.orgnvdProduct
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