CVE-2025-52460VulnerabilityPublished 28 Aug 2025

CVE-2025-52460: DOS SS1 · Exposed Files or Directories

Affects DOS SS1Source CVE Database V5

Not known to be exploited · CVSS 5.3 Medium.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.0 base score

5.3Medium

How severe the flaw is on the 0–10 CVSS scale.

EPSS: 0.3% chance of exploitation in 30 days – higher than 26% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: None
Scope: Unchanged
Confidentiality: Low
Integrity: None
Availability: None

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Network: The vulnerable component is bound to the network stack and the set of possible attackers extends beyond the other options listed, up to and including the entire Internet. Such a vulnerability is often termed 'remotely exploitable' and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers).
Attack Complexity: Low: Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success against the vulnerable component.
Privileges Required: None: The attacker is unauthorized prior to attack, and therefore does not require any access to settings or files to carry out an attack.
User Interaction: None: The vulnerable system can be exploited without any interaction from any user.
Scope: Unchanged: An exploited vulnerability can only affect resources managed by the same security authority. In this case, the vulnerable component and the impacted component are either the same, or both are managed by the same security authority.
Confidentiality: Low: There is some loss of confidentiality. Access to some restricted information is obtained, but the attacker does not have control over what information is obtained, or the amount or kind of loss is limited. The information disclosure does not cause a direct, serious loss to the impacted component.
Integrity: None: There is no loss of integrity within the impacted component.
Availability: None: There is no impact to availability within the impacted component.

Definitions: FIRST CVSS v3.1 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 28 Aug 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

AI-suggested

To mitigate this vulnerability, organizations should first identify all instances of SS1 running on Windows platforms and verify the version. Immediate upgrade to a fixed version beyond 16.0.0.10 or Media version 16.0.0a is recommended once patches are available. In the absence of patches, implement strict network segmentation and firewall rules to restrict external access to SS1 servers, especially limiting HTTP/HTTPS or file-sharing ports. Review and harden file system permissions to ensure that sensitive directories and uploaded files are not publicly accessible. Employ web application firewalls (WAFs) to detect and block unauthorized file access attempts. Conduct regular audits and monitoring of access logs to detect suspicious activity. Additionally, consider encrypting sensitive uploaded files and configuration data at rest to reduce the impact of unauthorized access. Finally, raise user awareness about the risks of uploading sensitive data to vulnerable systems.

Description

Files or directories accessible to external parties issue exists in SS1 Ver.16.0.0.10 and earlier (Media version:16.0.0a and earlier). If exploited, uploaded files and SS1 configuration files may be accessed by a remote unauthenticated attacker.

Impact

For European organizations using DOS Co., Ltd.'s SS1 product in Windows environments, this vulnerability poses a risk of unauthorized data disclosure. Access to configuration files may reveal sensitive system settings, credentials, or network information, which could facilitate lateral movement or targeted attacks. Uploaded files accessible externally might contain confidential business data or personally identifiable information (PII), leading to privacy violations and regulatory non-compliance under GDPR. Although the vulnerability does not directly impact system integrity or availability, the confidentiality breach can damage organizational reputation, result in financial penalties, and increase exposure to follow-on attacks. Organizations in sectors with strict data protection requirements, such as finance, healthcare, and government, are particularly vulnerable to the consequences of such information leaks.

References

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Exploitation evidence

What to do

Description

AI analysisMachine-generated, updated 28 Aug 2025, 09:04 UTC

Technical details

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