Vulnerability in Dell EMC Powerscale Onefs
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.008 (56.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Dell EMC Powerscale Onefs — versions 8.2.0, 8.2.1, 8.2.2
- Dell Powerscale Onefs — versions 8.2.0, 8.2.1, 9.0.0.x, 9.2.0.x, 9.1.1.x, 8.2.2, 9.1.0.x , 9.2.1.x
Weakness classification (CWE)
References
- www.dell.com/support/kbdoc/000192046 (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-36305?
- CVE-2021-36305 is a medium-severity vulnerability in Dell EMC Powerscale Onefs, classified under Improper Synchronization. CVSS score: 6.5/10. Published 2021-11-12.
- How severe is CVE-2021-36305?
- Medium severity. CVSS v3 base score is 6.5 out of 10.