Vulnerability Details : CVE-2020-5353

The Dell Isilon OneFS versions 8.2.2 and earlier and Dell EMC PowerScale OneFS version 9.0.0 default configuration for Network File System (NFS) allows access to an 'admin' home directory. An attacker may leverage a spoofed Unique Identifier (UID) over NFS to rewrite sensitive files to gain administrative access to the system.
Published 2021-07-29 16:15:09
Updated 2021-08-06 17:09:30
Source Dell
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2020-5353

EPSS FAQ
0.10%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 42 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-5353

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
9.0
 HIGH AV:N/AC:L/Au:S/C:C/I:C/A:C
8.0
10.0
 NIST
8.8
 HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
2.8
5.9
 NIST
8.8
 HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
2.8
5.9
 Dell

CWE ids for CVE-2020-5353

  • During installation, installed file permissions are set to allow anyone to modify those files.
    Assigned by:
    • nvd@nist.gov (Primary)
    • security_alert@emc.com (Secondary)

References for CVE-2020-5353

  • https://support.emc.com/kb/542721
    DSA-2020-093: Dell EMC Isilon OneFS and Dell EMC PowerScale OneFS Security Update for NFS Configuration Vulnerabilities | Dell Nederland
    Patch;Vendor Advisory

Products affected by CVE-2020-5353

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