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.
CVSS score
9.0/10
010
High · v2.0 (NVD)EPSS score
2.02%
0%100%
Low · +0.07 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 08-12-2021PublishedVulnerability first disclosed.
- 25-10-2024Last 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 versionsHigh 8.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:RSourcesAll 2 agree
- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
High 9.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:C/I:C/A:CSourcesSingle source
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 score2.02%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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