Emc Powerscale Onefs
CVE-2021-21503
HIGH
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
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.
AnalysisAI
PowerScale OneFS 8.1.2,8.2.2 and 9.1.0 contains an improper input sanitization issue in a command. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. 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. Affected products include: Dell Emc Powerscale Onefs.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.
More in Emc Powerscale Onefs
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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-78 – OS Command Injection
View allSame technique Command Injection
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External POC / Exploit Code
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