What is CVE-2021-42758?

CVE-2021-42758 is a high-severity vulnerability in Fortinet Fortiwlc, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2021-12-08.

How severe is CVE-2021-42758?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2021-42758 known to be exploited?

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

Auth bypass in Fortinet Fortiwlc

CVE-2021-42758

An improper access control vulnerability [CWE-284] in FortiWLC 8.6.1 and below may allow an authenticated and remote attacker with low privileges to execute any command as an admin user with full access rights via bypassing the GUI restrictions.

Vulnerability class: Broken Access Control

EPSS: 0.020 (78.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Fortinet Fortiwlc — versions FortiWLC 8.6.1 and below
Fortinet Fortiwlc — versions 8.0.5, 8.0.6, 8.1.2

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

Public proof-of-concept exploits

splunk-soar-connectors/googlethreatintelligence

References

psirt@fortinet.com (x_refsource_CONFIRM, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2021-42758?: CVE-2021-42758 is a high-severity vulnerability in Fortinet Fortiwlc, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2021-12-08.
How severe is CVE-2021-42758?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-42758 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.