When a user configures the NAS to retrieve UPS status or control the UPS, a non-enforced TLS certificate verification can allow an attacker able to intercept network traffic between the client and server can perform a man-in-the-middle (MITM) attack, which may obtain the sensitive information of the UPS server configuation. This issue affects ADM: from 4.1.0 through 4.3.3.RKD2, from 5.0.0 through 5.1.0.RN42.
Conclusion & alert: CVE-2025-13053 is rated Low Risk (29.1/100): CVSS High severity, with low exploitation likelihood (EPSS 0.02%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-12-12 | — | 0.02% | — |
Full EPSS history (1 record total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.0 | 4.0 | HIGH |
|
— | — | [email protected] |
| 3.7 | 3.1 | LOW |
|
2.2 | 1.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| asustor | data_master | >= 4.1.0.RHU2, < 4.3.3.ROF1 | cpe:2.3:o:asustor:data_master:*:*:*:*:*:*:*:* |
| asustor | data_master | >= 5.0.0.ra82, < 5.1.1.RCI1 | cpe:2.3:o:asustor:data_master:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.asustor.com/security/security_advisory_detail?id=49 | Vendor Advisory |