Emc Powerscale Onefs
CVE-2021-36305
MEDIUM
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
1DescriptionNVD
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.
AnalysisAI
Dell PowerScale OneFS contains an Unsynchronized Access to Shared Data in a Multithreaded Context in SMB CA handling. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified under CWE-662. 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. Affected products include: Dell Emc Powerscale Onefs.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
More in Emc Powerscale Onefs
View allDell PowerScale OneFS, versions 9.0.0 up to and including 9.1.0.19, 9.2.1.12, 9.3.0.6, and 9.4.0.3, contain an unprotect
Dell PowerScale OneFS, versions 8.2.x-9.3.0.x, contain an improper restriction of excessive authentication attempts. Rat
Dell PowerScale OneFS, versions 8.2.x-9.2.x, contain risky cryptographic algorithms. Rated critical severity (CVSS 9.8),
Dell PowerScale OneFS, versions 8.2.x-9.3.x, contain a predictable seed in pseudo-random number generator. Rated critica
Dell PowerScale OneFS versions 8.1.0 - 9.1.0 contain a "use of SSH key past account expiration" vulnerability. Rated cri
Dell PowerScale OneFS, 8.2.2-9.3.x, contains a predictable file name from observable state vulnerability. Rated critical
Dell PowerScale OneFS 9.0.0.x - 9.4.0.x contain an insertion of sensitive information into log file vulnerability in cel
Dell PowerScale OneFS, versions 8.2.x, 9.0.0.x, 9.1.0.x, 9.2.0.x, 9.2.1.x, and 9.3.0.x, contain an improper preservation
Dell EMC PowerScale OneFS versions 8.2.x - 9.2.x contain an incorrect permission assignment vulnerability. Rated high se
PowerScale OneFS 8.1.2,8.2.2 and 9.1.0 contains an improper input sanitization issue in its API handler. Rated high seve
Dell EMC Isilon OneFS versions 8.2.2 and earlier and Dell EMC PowerScale OneFS version 9.0.0 contain a privilege escalat
Dell EMC Isilon OneFS versions 8.2.2 and earlier and Dell EMC PowerScale version 9.0.0 contain a file permissions vulner
Same weakness CWE-662 – Improper Synchronization
View allSame technique Denial Of Service
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External POC / Exploit Code
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