CVE-2020-37104
CVE-2020-37104 is a high-severity vulnerability in Inextrix Astpp with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-538.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v4: 8.7
- EPSS exploit prediction: 1% (43rd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2020-31179
- Weakness: CWE-538
- Affected product: Inextrix Astpp
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2020-37104?
- CVE-2020-37104 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2020-37104 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-37104?
- CVE-2020-37104 affects Inextrix Astpp. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-37104?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2020-37104 have an EU (EUVD) identifier?
- Yes. CVE-2020-37104 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-31179.
- When was CVE-2020-37104 published?
- CVE-2020-37104 was published on 2026-02-11 and last updated on 2026-06-17.
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
Affected products (1)
- cpe:2.3:a:inextrix:astpp:4.0.1:*:*:*:*:*:*:*
More vulnerabilities in Inextrix Astpp
- CVE-2020-37153 — Critical (CVSS 9.8): ASTPP 4.0.1 contains multiple vulnerabilities including cross-site scripting and command injection in SIP device…
- CVE-2019-15075 — High (CVSS 7.5): An issue was discovered in iNextrix ASTPP before 4.0.1. web_interface/astpp/application/config/config.php does not have…
All CVEs affecting Inextrix Astpp →
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