PowerScale OneFS: Use of Default Password
CVE-2025-27690 is a critical-severity use of default password vulnerability in PowerScale OneFS from Dell, with a CVSS 3.1 base score of 9.8 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected PowerScale OneFS versions: 9.5.0.0 through 9.5.1.2; 9.6.0.0 through 9.7.1.6; 9.8.0.0 through 9.8.0.2, and others listed below. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.49% chance of exploitation within 30 days, which is low compared with other CVEs.
Critical severity: a successful attack would have severe impact.
What to do
- Check which version of PowerScale OneFS you run against the affected versions below, and install the vendor's latest release.
- Read the advisory on dell.com for workarounds and exact fixed builds.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Dell | PowerScale OneFS | 9.5.0.0 through 9.5.1.2; 9.6.0.0 through 9.7.1.6; 9.8.0.0 through 9.8.0.2; 9.9.0.0 through 9.9.0.1; 9.10.0.0 through 9.10.1.0 | Not stated |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. Scored by CNA (emc.com).
Official description
Dell PowerScale OneFS, versions 9.5.0.0 through 9.10.1.0, contains a use of default password vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to the takeover of a high privileged user account.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Use of Default Password
The product uses default passwords for potentially critical functionality.
How developers prevent this class of flaw
- Prohibit use of default, hard-coded, or other values that do not vary for each installation of the product - especially for separate organizations.
- Ensure that product documentation clearly emphasizes the presence of default passwords and provides steps for the administrator to change them.
- Force the administrator to change the credential upon installation.
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Other vulnerabilities in PowerScale OneFS
- 7.8 High severity
- 7.5 High severity
- 7.8 High severity
- 7.5 High severity
- 9.8 Critical severity
- 7.5 High severity
Recent Use of Default Password vulnerabilities
- 8.8 High severity
- 7.8 High severity
- 10.0 Critical severity
- 9.3 Critical severity
- 10.0 Critical severity
- 9.8 Critical severity
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