Fortiweb CVE-2026-24017
HIGHCVSS VectorNVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionNVD
An Improper Control of Interaction Frequency vulnerability [CWE-799] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb 7.6.0 through 7.6.5, FortiWeb 7.4.0 through 7.4.10, FortiWeb 7.2.0 through 7.2.11, FortiWeb 7.0.0 through 7.0.11 may allow a remote unauthenticated attacker to bypass the authentication rate-limit via crafted requests. The success of the attack depends on the attacker's resources and the password target complexity.
AnalysisAI
Fortinet FortiWeb versions 7.0 through 8.0.2 contain an improper rate-limiting flaw that allows unauthenticated remote attackers to bypass authentication attempt restrictions through crafted requests. This vulnerability enables attackers to conduct brute-force password attacks against FortiWeb instances with reduced constraints, with success dependent on attacker resources and target password complexity. …
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RemediationAI
Within 24 hours: Inventory all FortiWeb deployments and confirm affected versions (7.0.0-7.0.11, 7.2.0-7.2.11, 7.4.0-7.4.10, 7.6.0-7.6.5, 8.0.0-8.0.2); enable enhanced logging on authentication attempts. Within 7 days: Implement WAF rules to detect and block anomalous authentication patterns; reduce authentication timeout windows; consider adding multi-factor authentication for critical applications. …
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