6.5

CVE-2021-36305

Dell PowerScale OneFS contains an Unsynchronized Access to Shared Data in a Multithreaded Context in SMB CA handling. An authenticated user of SMB on a cluster with CA could potentially exploit this vulnerability, leading to a denial of service over SMB.

Data is provided by the National Vulnerability Database (NVD)
Dell ≫ Emc Powerscale Onefs Version8.2.0
Dell ≫ Emc Powerscale Onefs Version8.2.1
Dell ≫ Emc Powerscale Onefs Version8.2.2
Dell ≫ Emc Powerscale Onefs Version9.0.0.0
Dell ≫ Emc Powerscale Onefs Version9.1.0.0
Dell ≫ Emc Powerscale Onefs Version9.1.1.0
Dell ≫ Emc Powerscale Onefs Version9.2.0.0
Dell ≫ Emc Powerscale Onefs Version9.2.1.0
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.24% 0.467
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 6.5 2.8 3.6
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov 4 8 2.9
AV:N/AC:L/Au:S/C:N/I:N/A:P
security_alert@emc.com 6.5 2.8 3.6
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-662 Improper Synchronization

The product utilizes multiple threads or processes to allow temporary access to a shared resource that can only be exclusive to one process at a time, but it does not properly synchronize these actions, which might cause simultaneous accesses of this resource by multiple threads or processes.