How severe is CVE-2021-36307?

CVE-2021-36307 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-36307 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-36307?

CVE-2021-36307 affects Dell Networking Os10. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-36307?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-36307 published?

CVE-2021-36307 was published on 2021-11-20 and last updated on 2026-06-17.

CVE-2021-36307

CVE-2021-36307 is a high-severity vulnerability in Dell Networking Os10 with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-269.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 8.5
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Dell Networking Os10
Published: 2021-11-20
Last modified: 2026-06-17

Description

Networking OS10, versions prior to October 2021 with RESTCONF API enabled, contains a privilege escalation vulnerability. A malicious low privileged user with specific access to the API could potentially exploit this vulnerability to gain admin privileges on the affected system.

Frequently asked questions

What is CVE-2021-36307?: Networking OS10, versions prior to October 2021 with RESTCONF API enabled, contains a privilege escalation vulnerability. A malicious low privileged user with specific access to the API could potentially exploit this vulnerability to gain admin privileges on the affected system.
How severe is CVE-2021-36307?: CVE-2021-36307 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-36307 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-36307?: CVE-2021-36307 affects Dell Networking Os10. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-36307?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-36307 published?: CVE-2021-36307 was published on 2021-11-20 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:o:dell:networking_os10:*:*:*:*:*:*:*:*

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