CVE-2025-52460 Overview
CVE-2025-52460 is an information disclosure vulnerability affecting SS1 version 16.0.0.10 and earlier, including Media version 16.0.0a and earlier. The flaw allows a remote unauthenticated attacker to access uploaded files and SS1 configuration files through externally accessible directories. The vulnerability is categorized under [CWE-552] (Files or Directories Accessible to External Parties). It was disclosed through the Japan Vulnerability Notes (JVN) portal and the vendor's advisory published by DOS Osaka. No public exploit code or in-the-wild exploitation has been reported at the time of publication.
Critical Impact
Remote unauthenticated attackers can retrieve uploaded files and SS1 configuration files, exposing sensitive operational data.
Affected Products
- SS1 Ver.16.0.0.10 and earlier
- SS1 Media version 16.0.0a and earlier
- Deployments distributed by DOS Osaka
Discovery Timeline
- 2025-08-28 - CVE-2025-52460 published to NVD
- 2026-06-17 - Last updated in NVD database
Technical Details for CVE-2025-52460
Vulnerability Analysis
The vulnerability stems from improper access control on directories that hold uploaded content and configuration data within SS1. A remote attacker can request these resources over the network without authentication and retrieve their contents. The flaw does not require user interaction, elevated privileges, or complex preconditions. Impact is limited to confidentiality; the advisory does not describe integrity or availability consequences. Configuration files often contain deployment metadata, service parameters, and internal path references that assist follow-on attacks. Exposed uploaded files may include documents processed by the SS1 management platform.
Root Cause
The root cause is missing or misconfigured access restrictions on directories exposed by the SS1 web-facing components. Files intended for internal use are reachable through predictable network paths without an authentication check. This class of weakness is tracked as [CWE-552].
Attack Vector
The attack vector is network-based. An attacker who can reach the SS1 service over HTTP can request paths corresponding to uploaded content or configuration files. Because no authentication is required, the exploitation flow reduces to issuing crafted HTTP requests against the exposed endpoints. Refer to the JVN Security Advisory and the DOS Osaka News Release for vendor-specific technical details.
Detection Methods for CVE-2025-52460
Indicators of Compromise
- Unauthenticated HTTP GET requests to SS1 upload or configuration directories from external source addresses.
- Web server access logs showing sequential enumeration of file paths under the SS1 web root.
- Outbound transfers of configuration file contents originating from the SS1 host.
Detection Strategies
- Review SS1 web server logs for requests to paths that should require authentication but returned HTTP 200 responses.
- Alert on access patterns targeting configuration file extensions or upload directories without a preceding authenticated session.
- Baseline normal administrative access to SS1 and flag requests originating from non-administrative networks.
Monitoring Recommendations
- Forward SS1 web and application logs to a centralized logging platform for retention and correlation.
- Monitor for anomalous read volume from the SS1 server, particularly file transfers to external destinations.
- Track authentication events on SS1 and correlate them against successful resource retrievals.
How to Mitigate CVE-2025-52460
Immediate Actions Required
- Restrict network access to the SS1 management interface using firewall rules or network segmentation until a fixed version is deployed.
- Inventory SS1 installations and confirm the running version against the affected range.
- Rotate any credentials, tokens, or secrets that may have been stored in SS1 configuration files.
Patch Information
Refer to the vendor advisory published by DOS Osaka for the fixed version and upgrade procedure. Details are available in the DOS Osaka News Release and the JVN Security Advisory. Upgrade SS1 to a release later than Ver.16.0.0.10 and the corresponding Media release beyond 16.0.0a.
Workarounds
- Place the SS1 server behind a reverse proxy or web application firewall that enforces authentication on sensitive paths.
- Limit inbound access to SS1 to trusted administrative subnets using host-based or perimeter firewalls.
- Disable external exposure of the SS1 web interface until the patched version is applied.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
