CVE-2021-41020
HIGHCVSS 8.8/10EPSS 0.55%
Last modified
CVE-2021-41020 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An improper access control vulnerability [CWE-284] in FortiIsolator versions 2.3.2 and below may allow an authenticated, non privileged attacker to regenerate the CA certificate via the regeneration URL.. EPSS estimates a 0.55% chance of exploitation in the next 30 days.
Description
An improper access control vulnerability [CWE-284] in FortiIsolator versions 2.3.2 and below may allow an authenticated, non privileged attacker to regenerate the CA certificate via the regeneration URL.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Fortinet | Fortiisolator | >= 2.3.0, < 2.3.3 |
References
- https://fortiguard.com/psirt/FG-IR-21-040Vendor Advisory
- https://fortiguard.com/psirt/FG-IR-21-040Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-41020?
An improper access control vulnerability [CWE-284] in FortiIsolator versions 2.3.2 and below may allow an authenticated, non privileged attacker to regenerate the CA certificate via the regeneration URL.
How severe is CVE-2021-41020?
CVE-2021-41020 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.
How do I fix CVE-2021-41020?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-41020?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST