CVE-2025-60349: An issue was discovered in Prevx v3.0.5.220 allowing attackers to cause a denial of service via sending IOC...
An issue was discovered in Prevx v3.0.5.220 allowing attackers to cause a denial of service via sending IOCTL code 0x22E044 to the pxscan.sys driver. Any processes listed under registry key HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\pxscan\Files will be terminated.
Security readout for executives and security teams
Plain-English summary
Prevx 3.0.5.220 reportedly allows an unauthenticated attacker to terminate configured processes through the pxscan.sys driver, causing serious service disruption. The record rates availability impact as high, but the structured affected-product data is incomplete and no vendor fix is identified.
Executive priority
Treat confirmed deployments as a high-priority availability risk, especially where listed processes support security, operations, or revenue. Rapidly establish asset exposure and business criticality, then obtain authoritative remediation guidance. Emergency action is not justified solely by active-exploitation claims because none are supplied.
Technical view
The issue involves unsafe handling of a specific IOCTL by pxscan.sys. Processes named under the driver's Files registry key may be terminated, producing denial of service. The supplied CVSS 3.1 score is 7.5, with low complexity and no privileges or user interaction. The reported network attack vector requires further validation against the driver-focused description.
Likely exposure
Potential exposure is limited to systems running Prevx 3.0.5.220 with the pxscan.sys driver and relevant process entries configured. The bundle provides no CPEs, deployment prevalence, or confirmed additional versions, so organizations should not generalize exposure beyond the named version.
Exploitation context
The supplied record does not indicate CISA KEV inclusion or active exploitation. A public GitHub reference exists, which may increase researcher awareness, but the bundle does not establish real-world attacks, exploit reliability, or remote reachability.
Researcher notes
Evidence quality is limited. The narrative specifically names Prevx 3.0.5.220 and pxscan.sys, while structured vendor, product, version, and CPE fields are unavailable. The network CVSS vector appears potentially inconsistent with a driver IOCTL issue; reachability and prerequisites need independent defensive validation. No patch information is provided.
Mitigation direction
Identify and prioritize systems running Prevx 3.0.5.220 or loading pxscan.sys.
Check current vendor or successor guidance for supported upgrades, patches, or compensating controls.
Restrict untrusted access to affected hosts while remediation guidance is confirmed.
Consider retiring unsupported installations after operational and compatibility review.
Validation and detection
Inventory installed Prevx versions and confirm whether pxscan.sys is present and active.
Review the pxscan service configuration and identify processes listed under its Files registry key.
Monitor affected endpoints for unexplained termination of protected or business-critical processes.
Validate whether any remote pathway can reach the driver interface in your environment.
Confirm remediation through vendor documentation and controlled defensive testing.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
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cwe · low confidence lookup
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CWE-400 · source CWE mapping
Uncontrolled Resource Consumption
Uncontrolled Resource Consumption represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.