CVE-2020-5353: dell emc_isilon_onefs Incorrect Default Permissions
Vulnerability summary
CVE-2020-5353 is a high (CVSS 9.0) Incorrect Default Permissions vulnerability in dell emc_isilon_onefs. EPSS estimates a 0.99% chance of exploitation in the next 30 days, higher than 61.9% of scored vulnerabilities.
Timeline
- 29-07-2021PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.99%
Chance of exploitation in the next 30 days
Percentile
62%
Versus all other CVEs
30-day change
0.00 pp
From 0.99% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Dell3 products
- emc_isilon_onefs≤ 8.2.2
- emc_powerscale_onefs9.0.0
- isilon onefs≥ unspecified, < All supported
1 vendor · 3 products