Networking OS10, versions prior to October 2021 with Smart Fabric Services enabled, contains an authentication bypass vulnerability.

published 2021-11-20 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-22928

cvss: 5.9; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 3.3%; EPSS 3.3% chance of exploitation in 30 days, percentile 88%
public exploits: 0; none known

Networking OS10, versions prior to October 2021 with Smart Fabric Services enabled, contains an authentication bypass vulnerability. A remote unauthenticated attacker could exploit this vulnerability to gain access and perform actions on the affected system.

Patch / fix

fixed in 1 links 1

Dell Networking OS OS10 10.4.3.8,OS10 10.5.0.6C3,OS10 10.5.0.10,OS10 10.5.1.10,OS10 10.5.2.8,OS10 10.5.3.0P1,OS10 10.5.2.3kcc

dell.com/support/kbdoc/en-us/000193076 advisory

Exploit prediction

3.31% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.9	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	9.3	AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

Dell Networking OS

Classification

Weakness

CWE-288 Authentication Bypass Using an Alternate Path or Channel
CWE-287 Improper Authentication

References

dell.com /support/kbdoc/en-us/000193076
patch, vendor-advisory

Sources

CVE List CVE-2021-36308
NVD CVE-2021-36308

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary