What is the CVSS score of CVE-2021-44527?

CVE-2021-44527 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.4%.

Unifi Switch Firmware CVE-2021-44527

MEDIUM

Uncontrolled Resource Consumption (CWE-400)

2021-12-07 support@hackerone.com

Ubiquiti Denial Of Service Unifi Switch Firmware

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Dec 07, 2021 - 14:15 nvd

MEDIUM 6.5

DescriptionNVD

A vulnerability found in UniFi Switch firmware Version 5.43.35 and earlier allows a malicious actor who has already gained access to the network to perform a Deny of Service (DoS) attack on the affected switch.This vulnerability is fixed in UniFi Switch firmware 5.76.6 and later.

AnalysisAI

A vulnerability found in UniFi Switch firmware Version 5.43.35 and earlier allows a malicious actor who has already gained access to the network to perform a Deny of Service (DoS) attack on the. Rated medium severity (CVSS 6.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Uncontrolled Resource Consumption (CWE-400), which allows attackers to cause denial of service by exhausting system resources. A vulnerability found in UniFi Switch firmware Version 5.43.35 and earlier allows a malicious actor who has already gained access to the network to perform a Deny of Service (DoS) attack on the affected switch.This vulnerability is fixed in UniFi Switch firmware 5.76.6 and later. Affected products include: Ui Unifi Switch Firmware. Version information: Version 5.43.35.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement rate limiting, set resource quotas, validate input sizes, use timeouts.