What is CVE-2021-21503?

CVE-2021-21503 is a high-severity vulnerability in Dell EMC Powerscale Onefs, classified under OS Command Injection. CVSS score: 7.8/10. Published 2021-03-08.

How severe is CVE-2021-21503?

High severity. CVSS v3 base score is 7.8 out of 10.

RCE in Dell EMC Powerscale Onefs

CVE-2021-21503

PowerScale OneFS 8.1.2,8.2.2 and 9.1.0 contains an improper input sanitization issue in a command. The Compadmin user could potentially exploit this vulnerability, leading to potential privileges escalation.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.003 (23.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Dell Emc_powerscale_onefs — versions 8.1.2, 8.2.2, 9.1.0
Dell Powerscale Onefs — versions unspecified

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

security_alert@emc.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-21503?: CVE-2021-21503 is a high-severity vulnerability in Dell EMC Powerscale Onefs, classified under OS Command Injection. CVSS score: 7.8/10. Published 2021-03-08.
How severe is CVE-2021-21503?: High severity. CVSS v3 base score is 7.8 out of 10.