CVE-2025-30101

Data tampering and service interruption via TOCTOU race

Published May 8, 2025 · Updated May 8, 2025

A TOCTOU race in Dell PowerScale OneFS 9.8.0.0 through 9.10.1.0 allows local users to alter data or interrupt service. Dell has not published the affected component or the resource whose state can change between the check and subsequent use. Exploitation requires local access and low privileges; successful races can tamper with information or interrupt service without exposing data.

CVSS severity4.4
Medium
EPSS probability0.15%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

A TOCTOU race in Dell PowerScale OneFS 9.8.0.0 through 9.10.1.0 allows local users to alter data or interrupt service. Dell has not published the affected component or the resource whose state can change between the check and subsequent use. Exploitation requires local access and low privileges; successful races can tamper with information or interrupt service without exposing data.

The record

CVE
CVE-2025-30101
Published
May 8, 2025
Updated
May 8, 2025
Vendor
Dell Technologies
Product
PowerScale OneFS
Classifications
CWE-367, CAPEC-27, CAPEC-29, T1499
Attack vector
local
Privileges
Unavailable

Timeline

How it unfolded

  1. May 8, 2025CVE publishedPublication date reported by the CVE source.
  2. May 8, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=9.8.0.0 <=9.10.1.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesUnavailable in this record.

What is affected?

Dell Technologies · PowerScale OneFSversion=9.8.0.0 <=9.10.1.0

Published CVSS scores

4.4DellCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
6.3NIST NVDCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-367Time-of-check Time-of-use (TOCTOU) Race Condition
CAPEC-27Leveraging Race Conditions via Symbolic Links
CAPEC-29Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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