Home/CVE/An improper restriction of excessive authentication attempts vulnerability [CWE-307] in FortiMail webmail version 7.2.0
CVE

CVE-2023-45582

An improper restriction of excessive authentication attempts vulnerability [CWE-307] in FortiMail webmail version 7.2.0

An improper restriction of excessive authentication attempts vulnerability [CWE-307] in FortiMail webmail version 7.2.0 through 7.2.4, 7.0.0 through 7.0.6 and before 6.4.8 may allow an unauthenticated attacker to perform a brute force attack on the affected endpoints via repeated login attempts.

MEDIUM · CVSS 5.6 EPSS 0.00206
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-307Improper Restriction of Excessive Authentication Attempts
▤

Affected Products & Versions

5
fortinet fortimail>= 6.2.0 and <= 6.2.9
fortinet fortimail>= 6.4.0 and <= 6.4.8
fortinet fortimail>= 7.0.0 and <= 7.0.6
fortinet fortimail>= 7.2.0 and <= 7.2.4
fortinet fortimailall versions
▣

Scoring & Timeline

5.6
MEDIUM · CVSS v3.1 · psirt@fortinet.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Nov 2023 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://fortiguard.com/psirt/FG-IR-23-287Vendor Advisory
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