VulnerabilityPublished 25 Sep 2025

CVE-2025-36601: Dell PowerScale OneFS · Information Exposure

Affects Dell PowerScale OneFSSource CVE Database V5

Not known to be exploited · CVSS 4.0 Medium.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 3.1 base score

4.0Medium

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

EPSS: 0.3% chance of exploitation in 30 days – higher than 32% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

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

Attack Vector: Network
Attack Complexity: High
Privileges Required: None
User Interaction: None
Scope: Changed
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: High: A successful attack depends on conditions beyond the attacker's control. That is, a successful attack cannot be accomplished at will, but requires the attacker to invest in some measurable amount of effort in preparation or execution against the vulnerable component before a successful attack can be expected. For example, a successful attack may require an attacker to: gather knowledge about the environment in which the vulnerable target/component exists; prepare the target environment to improve exploit reliability; or inject themselves into the logical network path between the target and the resource requested by the victim in order to read and/or modify network communications (e.g., a man in the middle attack).
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: Changed: An exploited vulnerability can affect resources beyond the security scope managed by the security authority of the vulnerable component. In this case, the vulnerable component and the impacted component are different and managed by different security authorities.
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 25 Sep 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 26 Oct 2026.

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 or the CVSS exploit maturity 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

Affected software

Product	Affected	Fixed in
Dell PowerScale OneFS	Affected =9.5.0.0	Fixed in–

AI-suggested

Given the absence of an official patch at the time of this report, European organizations should implement compensating controls to mitigate risk. First, restrict network access to Dell PowerScale OneFS management interfaces to trusted internal networks and VPNs only, employing strict firewall rules and network segmentation to limit exposure. Enable and enforce strong authentication and authorization policies for all administrative access to reduce the attack surface. Monitor network traffic and system logs for unusual access patterns or attempts to query sensitive information remotely. Employ intrusion detection and prevention systems (IDS/IPS) tuned to detect anomalous activity targeting OneFS components. Organizations should also engage with Dell support to obtain any available interim fixes or recommended configuration changes that reduce information exposure. Once Dell releases a patch, prioritize its deployment following thorough testing to avoid operational disruptions. Additionally, conduct regular security assessments and penetration tests focusing on storage infrastructure to identify and remediate similar vulnerabilities proactively.

Description

Dell PowerScale OneFS, versions 9.5.0.0 through 9.11.0.0, contains an exposure of sensitive information to an unauthorized actor vulnerability. An unauthenticated remote attacker could potentially exploit this vulnerability, leading to Information disclosure.

Impact

For European organizations, the exposure of sensitive information through this vulnerability could have significant consequences. Dell PowerScale OneFS is widely used in enterprise environments for high-performance storage solutions, including sectors such as finance, healthcare, telecommunications, and government agencies. Unauthorized disclosure of sensitive information could lead to breaches of personal data protected under GDPR, resulting in regulatory fines and reputational damage. Furthermore, leaked configuration or system information could aid attackers in crafting more targeted attacks, potentially escalating to privilege escalation or data exfiltration. The medium severity and lack of integrity or availability impact mean that while direct disruption or data manipulation is unlikely, the confidentiality breach alone poses risks to compliance and operational security. European organizations relying on Dell PowerScale for critical data storage should consider the potential for indirect impacts, such as loss of customer trust and increased scrutiny from regulators. Additionally, the vulnerability's unauthenticated remote exploitation vector increases the risk profile, as attackers do not need valid credentials or user interaction to attempt exploitation.

CWE-200Exposure of Sensitive Information to an Unauthorized Actor (opens in a new tab)
Class weaknessLikelihood of exploit: HighCWE Top 25 (2025): #20OWASP Top 10 A01:2025: Broken Access Control (opens in a new tab)
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
MITRE discourages mapping vulnerabilities to this broad entry; the root cause is usually a more specific weakness.
Architecture and Design · Separation of Privilege
Compartmentalize the system to have "safe" areas where trust boundaries can be unambiguously drawn. Do not allow sensitive data to go outside of the trust boundary and always be careful when interfacing with a compartment outside of the safe area.
OWASP Cheat Sheets
Error Handling (opens in a new tab)
Logging (opens in a new tab)
Authorization (opens in a new tab)
OWASP ASVS 4.0.3
V8.3.4 (opens in a new tab)
V14.3.3 (opens in a new tab)
V7.3.3 (opens in a new tab)
Attack patterns
Subverting Environment Variable Values (opens in a new tab)
ICMP Echo Request Ping (opens in a new tab)
TCP SYN Scan (opens in a new tab)
Enumerate Mail Exchange (MX) Records (opens in a new tab)
DNS Zone Transfers (opens in a new tab)
From MITRE CWE, MITRE CAPEC and OWASP (Top 10, OpenCRE).

References

dell.com/support/kbdoc/en-us/000353080/dsa-2025-272-security-update-for-dell-powerscale-onefs-multiple-third-party-component-vulnerabilities (opens in a new tab)

Community reviews

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Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 25 Sep 2025, 15:04 UTC

WeaknessesCWE-200

Technical details

References

Community reviews

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