Incorrect default permissions in Dell Isilon OneFS
Priority LOW 21CWE-276Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
The Dell Isilon OneFS versions 8.2.2 and earlier SSHD process improperly allows Transmission Control Protocol (TCP) and stream forwarding. This provides the remotesupport user and users with restricted shells more access than is intended.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00478 41st percentileScored 2026-11-07
Fix Fixed Isilon OneFS (Dell): 8.2.2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Isilon OneFS (Dell) Fixed in 8.2.2
Timeline
- 2026-10-02 Threatist record created from CVE-2020-5355
- 2026-10-03 Alias added: GHSA-w2f6-jgw8-wpp3
References
Advisory 1
More Dell Emc Isilon Onefs vulnerabilities
- TI-2020-04381 Missing authentication in Dell Isilon OneFS CVSS 3.1CRITICAL 9.8
- TI-2018-01124 Cross-site request forgery in Dell EMC Isilon OneFS CVSS 3.0HIGH 8.8
- TI-2020-04422 Incorrect permission assignment in Dell Isilon OneFS CVSS 3.1HIGH 8.8
- TI-2020-04420 Incorrect permission assignment in Dell Isilon OneFS CVSS 3.1HIGH 8.8
- TI-2020-04405 Incorrect default permissions in Dell Isilon OneFS CVSS 3.1HIGH 8.8
- TI-2020-16010 Incorrect default permissions in Dell PowerScale OneFS CVSS 3.1HIGH 8.8
Sources
- CVE-2020-5355 · CVE Program
- CVE-2020-5355 · NVD
- FIRST EPSS
- GHSA-w2f6-jgw8-wpp3 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences