What is CVE-2021-22909?

CVE-2021-22909 is a high-severity vulnerability in Ui Edgemax_edgerouter, classified under Channel Accessible by Non-Endpoint. CVSS score: 7.5/10. Published 2021-05-27.

How severe is CVE-2021-22909?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2021-22909 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Ui Edgemax_edgerouter

CVE-2021-22909

A vulnerability found in EdgeMAX EdgeRouter V2.0.9 and earlier could allow a malicious actor to execute a man-in-the-middle (MitM) attack during a firmware update. This vulnerability is fixed in EdgeMAX EdgeRouter V2.0.9-hotfix.1 and later.

EPSS: 0.013 (67.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Ui Edgemax_edgerouter
Ui Edgemax_edgerouter_firmware
N/a Edgemax Edgerouter — versions Fixed Version: 2.0.9-hotfix.1 or later.

Weakness classification (CWE)

Public proof-of-concept exploits

redeltaglio/ubiquiti-configurator

References

support@hackerone.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-22909?: CVE-2021-22909 is a high-severity vulnerability in Ui Edgemax_edgerouter, classified under Channel Accessible by Non-Endpoint. CVSS score: 7.5/10. Published 2021-05-27.
How severe is CVE-2021-22909?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-22909 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.