Vulnerability Monitor

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CVE-2021-36321


Dell Networking X-Series firmware versions prior to 3.0.1.8 contain an improper input validation vulnerability. A remote unauthenticated attacker may potentially exploit this vulnerability by sending specially crafted data to trigger a denial of service.


Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 18 products from dell, from dell, from dell and 15 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2021, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2021-11-20T02:15:07.450

Last Modified

2024-11-21T06:13:29.703

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-20

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System dell x1008p_firmware < 3.0.1.8 Yes
Hardware dell x1008p - No
Operating System dell x1018p_firmware < 3.0.1.8 Yes
Hardware dell x1018p - No
Operating System dell x1026p_firmware < 3.0.1.8 Yes
Hardware dell x1026p - No
Operating System dell x1052p_firmware < 3.0.1.8 Yes
Hardware dell x1052p - No
Operating System dell x4012_firmware < 3.0.1.8 Yes
Hardware dell x4012 - No
Operating System dell x1008_firmware < 3.0.1.8 Yes
Hardware dell x1008 - No
Operating System dell x1018_firmware < 3.0.1.8 Yes
Hardware dell x1018 - No
Operating System dell x1026_firmware < 3.0.1.8 Yes
Hardware dell x1026 - No
Operating System dell x1052_firmware < 3.0.1.8 Yes
Hardware dell x1052 - No

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For dell's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.