What is CVE-2021-44527?

CVE-2021-44527 is a medium-severity vulnerability in Ui Unifi Switch Firmware, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2021-12-07.

How severe is CVE-2021-44527?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in Ui Unifi Switch Firmware

CVE-2021-44527

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.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.004 (29.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Ui Unifi_switch_firmware
N/a Unifi Switches — versions Fixed in 5.76.6

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

support@hackerone.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-44527?: CVE-2021-44527 is a medium-severity vulnerability in Ui Unifi Switch Firmware, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2021-12-07.
How severe is CVE-2021-44527?: Medium severity. CVSS v3 base score is 6.5 out of 10.