Information disclosure in Astpp
CVE-2020-37104
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.006 (46.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000
Affected products
- Astpp — versions 4.0.1
- Inextrix Astpp — versions 4.0.1
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/47900 (Exploit, VDB Entry, Third Party Advisory, exploit)
- www.astppbilling.org/ (Product, product)
- github.com/iNextrix/ASTPP (Product, product)
- www.vulncheck.com/advisories/astpp-voip-billing-database-backup-download (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2020-37104?
- CVE-2020-37104 is a high-severity vulnerability in Astpp, classified under Insertion of Sensitive Information into Externally-Accessible File or Directory. CVSS score: 7.5/10. Published 2026-02-11.
- How severe is CVE-2020-37104?
- High severity. CVSS v3 base score is 7.5 out of 10.