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CVE-2021-42758: fortinet fortinet fortiwlc Incorrect Authorization

CVSS: 9.0v2.0HighModified
Published 08-12-2021Last modified 25-10-2024

Vulnerability summary

CVE-2021-42758 is a high (CVSS 9.0) Incorrect Authorization vulnerability in fortinet fortinet fortiwlc. EPSS estimates a 2.02% chance of exploitation in the next 30 days, higher than 80.6% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.0/10
010
High · v2.0 (NVD)
EPSS score
2.02%
0%100%
Low · +0.07 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 08-12-2021
    PublishedVulnerability first disclosed.
  2. 25-10-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

2.02%

Chance of exploitation in the next 30 days

Percentile

81%

Versus all other CVEs

30-day change

+0.07 pp

From 1.95% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.02%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Fortinet2 products
  • fortinet fortiwlcFortiWLC 8.6.1 and below
  • fortiwlc≥ 8.2.4, ≤ 8.2.7 | ≥ 8.3.0, ≤ 8.3.3 | ≥ 8.5.0, ≤ 8.5.5 | 8.0.5 | 8.0.6 | 8.1.2 | 8.1.3 | 8.4.0 | 8.4.1 | 8.4.2 | 8.4.4 | 8.4.5 | 8.4.6 | 8.4.7 | 8.4.8 | 8.6.0 | 8.6.1

1 vendor · 2 products

References

1 links