CVE-2023-26209

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.

Affected

Fortinet · FortiDeceptor

CVSS v3.1 NVD

5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS v3.1 FORTINET

3.7 LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS

1.75% chance of exploitation in the next 30 days, 78th percentile

Published

2023-03-09

Updated

2024-10-22

Proof-of-concept exploits (2)

• cnetsec/CVE-2023-262090★ · 2025-03-28
• chessredoffsec/CVE-2023-262090★ · 2025-03-28

Security advisories

• https://fortiguard.com/psirt/FG-IR-20-078

References

• CVE Record
• NVD entry

Related

• CVE-2021-24006
• CVE-2021-24019
• CVE-2022-29056
• CVE-2023-26208
• CVE-2024-44313