What’s Vulnerable › Vulnerabilities

CVE-2021-36306

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-11-20 · updated 2026-06-17
• Weakness: CWE-287

Description

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

Affected products

• Dell Networking OS10: before 10.4.3.8; from 10.5.0.0 before 10.5.0.10; from 10.5.1.0 before 10.5.1.10; from 10.5.2.0 before 10.5.2.8 — fixed in 10.4.3.8, 10.5.0.10, 10.5.1.10, 10.5.2.8

How to fix

Upgrade to a fixed version: Dell Networking OS10 10.4.3.8, 10.5.0.10, 10.5.1.10, 10.5.2.8. Check the vendor advisory for mitigations.

References

• https://www.dell.com/support/kbdoc/en-us/000193076
• https://www.dell.com/support/kbdoc/en-us/000193076

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