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.

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.

EPSS: 0.008 (53.1th percentile) — read the EPSS interpretation.

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.

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)

CWE-662 — Improper Synchronization

References

security_alert@emc.com (x_refsource_MISC, 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.