CVE-2020-5355

Name: CVE-2020-5355
Creator: NVD / NIST
Published: 2022-10-21T18:15:09.543+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.38%

Last modified Jun 17, 2026

CVE-2020-5355 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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.. EPSS estimates a 0.38% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

0.38%

29.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Dell	Emc Isilon Onefs	<= 8.2.2

References

https://support.emc.com/kb/543561Vendor Advisory
https://support.emc.com/kb/543561Vendor Advisory

Timeline

Published: Oct 21, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-5355?

How severe is CVE-2020-5355?

CVE-2020-5355 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.38% probability of exploitation in the next 30 days.

How do I fix CVE-2020-5355?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-5355?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST