ByteOS Network

NVD Vulnerability Details :

CVE-2020-37104

Awaiting Analysis

Source-disclosure@vulncheck.com

Published At-11 Feb, 2026 | 21:16

Updated At-12 Feb, 2026 | 15:10

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.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	4.0	8.7	HIGH	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
Primary	3.1	7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Type: Secondary

Version: 4.0

Base score: 8.7

Base severity: HIGH

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/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

Type: Primary

Version: 3.1

Base score: 7.5

Base severity: HIGH

Vector:

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

Weaknesses

CWE ID	Type	Source
CWE-538	Primary	disclosure@vulncheck.com

CWE ID: CWE-538

Type: Primary

Source: disclosure@vulncheck.com

References

Hyperlink	Source	Resource
https://github.com/iNextrix/ASTPP	disclosure@vulncheck.com	N/A
https://www.astppbilling.org/	disclosure@vulncheck.com	N/A
https://www.exploit-db.com/exploits/47900	disclosure@vulncheck.com	N/A
https://www.vulncheck.com/advisories/astpp-voip-billing-database-backup-download	disclosure@vulncheck.com	N/A