CVE-2021-26088
Last modified
CVE-2021-26088 is a critical-severity vulnerability rated 9.6/10 on the CVSS scale. An improper authentication vulnerability in FSSO Collector version 5.0.295 and below may allow an unauthenticated user to bypass a FSSO firewall policy and access the protected network via sending specifically crafted UDP login notification packets.. EPSS estimates a 1.03% chance of exploitation in the next 30 days.
Description
An improper authentication vulnerability in FSSO Collector version 5.0.295 and below may allow an unauthenticated user to bypass a FSSO firewall policy and access the protected network via sending specifically crafted UDP login notification packets.
Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Fortinet | Fortinet Single Sign-On | < 6.4.6 |
| Fortinet | Fortinet Single Sign-On | >= 7.0.0, < 7.0.1 |
References
- https://fortiguard.com/advisory/FG-IR-20-191Vendor Advisory
- https://fortiguard.com/advisory/FG-IR-20-191Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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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.
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