CVE-2020-37104

Name: CVE-2020-37104
Creator: NVD / NIST
Published: 2026-02-11T21:16:08.04+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.7/10EPSS 0.56%

Last modified Jun 17, 2026

CVE-2020-37104 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. 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.. EPSS estimates a 0.56% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS 4.0

8.7/10

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.56%

42.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-538

Affected Software

Vendor	Product	Versions
Inextrix	Astpp	4.0.1

References

https://github.com/iNextrix/ASTPPProduct
https://www.astppbilling.org/Product
https://www.exploit-db.com/exploits/47900Exploit, Third Party Advisory, VDB Entry
https://www.vulncheck.com/advisories/astpp-voip-billing-database-backup-downloadThird Party Advisory

Timeline

Published: Feb 11, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2020-37104?

How severe is CVE-2020-37104?

CVE-2020-37104 has a CVSS score of 8.7/10 (HIGH severity). The EPSS model estimates a 0.56% probability of exploitation in the next 30 days.

How do I fix CVE-2020-37104?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-37104?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST