CVE-2023-26209

Description

A improper restriction of excessive authentication attempts vulnerability [CWE-307] in Fortinet FortiDeceptor 3.1.x and before allows a remote unauthenticated attacker to partially exhaust CPU and memory via sending numerous HTTP requests to the login form.

Remediation

Solution:

  • Please upgrade to FortiAuthenticator version 6.5.0 or above, Please upgrade to FortiDeceptor version 3.2.0 or above. Please upgrade to FortiMail version 6.4.1 or above, Please upgrade to FortiMail version 6.2.5 or above, Please upgrade to FortiMail version 6.0.10 or above.

Category

3.7
CVSS
Severity: Low
CVSS 3.1 •
EPSS 5.07% Top 15%
Vendor Advisory fortiguard.com
Affected: Fortinet FortiDeceptor
Published at:
Updated at:

References

Link Tags
https://fortiguard.com/psirt/FG-IR-20-078 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-26209?
CVE-2023-26209 has been scored as a low severity vulnerability.
How to fix CVE-2023-26209?
To fix CVE-2023-26209: Please upgrade to FortiAuthenticator version 6.5.0 or above, Please upgrade to FortiDeceptor version 3.2.0 or above. Please upgrade to FortiMail version 6.4.1 or above, Please upgrade to FortiMail version 6.2.5 or above, Please upgrade to FortiMail version 6.0.10 or above.
Is CVE-2023-26209 being actively exploited in the wild?
It is possible that CVE-2023-26209 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-26209?
CVE-2023-26209 affects Fortinet FortiDeceptor.
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