How severe is CVE-2021-36310?

CVE-2021-36310 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2021-36310 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-36310?

CVE-2021-36310 affects Dell Networking Os10. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-36310?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-36310 published?

CVE-2021-36310 was published on 2021-11-20 and last updated on 2026-06-17.

CVE-2021-36310

CVE-2021-36310 is a medium-severity vulnerability in Dell Networking Os10 with a CVSS 3.x base score of 4.9. 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-400.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
CVSS v2: 6.8
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Dell Networking Os10
Published: 2021-11-20
Last modified: 2026-06-17

Description

Dell Networking OS10, versions 10.4.3.x, 10.5.0.x, 10.5.1.x & 10.5.2.x, contain an uncontrolled resource consumption flaw in its API service. A high-privileged API user may potentially exploit this vulnerability, leading to a denial of service.

Frequently asked questions

What is CVE-2021-36310?: Dell Networking OS10, versions 10.4.3.x, 10.5.0.x, 10.5.1.x & 10.5.2.x, contain an uncontrolled resource consumption flaw in its API service. A high-privileged API user may potentially exploit this vulnerability, leading to a denial of service.
How severe is CVE-2021-36310?: CVE-2021-36310 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-36310 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-36310?: CVE-2021-36310 affects Dell Networking Os10. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-36310?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-36310 published?: CVE-2021-36310 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:*:*:*:*:*:*:*:*

More vulnerabilities in Dell Networking Os10

CVE-2024-25949 — High (CVSS 8.8): Dell OS10 Networking Switches, versions10.5.6.x, 10.5.5.x, 10.5.4.x and 10.5.3.x ,contain an improper authorization…
CVE-2021-36307 — High (CVSS 8.8): Networking OS10, versions prior to October 2021 with RESTCONF API enabled, contains a privilege escalation…
CVE-2018-15778 — High (CVSS 8.8): Dell OS10 versions prior to 10.4.2.1 contain a vulnerability caused by lack of proper input validation on the…
CVE-2021-36306 — High (CVSS 8.1): Networking OS10, versions prior to October 2021 with RESTCONF API enabled, contains an authentication bypass…
CVE-2023-39248 — High (CVSS 7.5): Dell OS10 Networking Switches running 10.5.2.x and above contain an Uncontrolled Resource Consumption (Denial of…
CVE-2018-15784 — High (CVSS 7.4): Dell Networking OS10 versions prior to 10.4.3.0 contain a vulnerability in the Phone Home feature which does not…

All CVEs affecting Dell Networking Os10 →

Other CWE-400 (Uncontrolled Resource Consumption) vulnerabilities

CVE-2026-46775 — Critical (CVSS 9.9): Vulnerability in Oracle REST Data Services (component: Core). Supported versions that are affected are 24.2.0-26.1.0.…
CVE-2025-61303 — Critical (CVSS 9.8): Hatching Triage Sandbox Windows 10 build 2004 (2025-08-14) and Windows 10 LTSC 2021(2025-08-14) contains a…
CVE-2025-43193 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7,…
CVE-2025-24269 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.4. An app may be able to…
CVE-2025-24264 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in Safari 18.4, iOS 18.4 and iPadOS 18.4,…
CVE-2025-24260 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.4, macOS Sonoma 14.7.5,…

Browse all CWE-400 (Uncontrolled Resource Consumption) vulnerabilities →