Weakness (CWE)
CWE-307: Improper Restriction of Excessive Authentication Attempts
The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame.
How to prevent it (2 mitigations)
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Architecture and Design
Common protection mechanisms include:
- Disconnecting the user after a small number of failed attempts
- Implementing a timeout
- Locking out a targeted account
- Requiring a computational task on the user's part.
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Architecture and Design
Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid [REF-1482].
Consider using libraries with authentication capabilities such as OpenSSL or the ESAPI Authenticator. [REF-45]
Source: MITRE CWE-307
188 results · Clear filters · Feed
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High 7.5
Moodle: moodle: brute-force facilitation due to missing rate limiting in confirmation email service
A flaw was found in Moodle. A remote attacker could exploit a lack of proper rate limiting in the confirmation email service. This vulnerability allows attackers to more easily enumerate or guess user credentials, facilitating brute-force attacks against user…
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High 7.5
EVMAPA Improper Restriction of Excessive Authentication Attempts
This vulnerability arises because there are no limitations on the number of authentication attempts a user can make. An attacker can exploit this weakness by continuously sending authentication requests, leading to a denial-of-service (DoS) condition. This ca…
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High 8.1
Dell PowerScale OneFS versions prior to 9.13.0.0 contains an improper restriction of excessive authentication attempts …
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High 8.1
Improper Restriction of Excessive Authentication Attempts vulnerability in CIRCL Vulnerability-Lookup
In affected versions, vulnerability-lookup did not track or limit failed One-Time Password (OTP) attempts during Two-Factor Authentication (2FA) verification. An attacker who already knew or guessed a valid username and password could submit an arbitrary numb…
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High 7.0
Dell CloudBoost Virtual Appliance, versions 19.13.0.0 and prior, contains an Improper Restriction of Excessive Authenti…
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High 8.1
Medtronic CareLink Network allows an unauthenticated remote attacker to perform a brute force attack on an API endpoint…
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High 7.3
Authentication Bypass in Turkguven's Perfektive
Improper Restriction of Excessive Authentication Attempts, Client-Side Enforcement of Server-Side Security, Reliance on Untrusted Inputs in a Security Decision vulnerability in Turkguven Software Technologies Inc. Perfektive allows Brute Force, Authentication…
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High 7.7
Zitadel allows brute-forcing authentication factors
Zitadel is open-source identity infrastructure software. Prior to 4.6.0, 3.4.3, and 2.71.18, an attacker can perform an online brute-force attack on OTP, TOTP, and passwords. While Zitadel allows preventing online brute force attacks in scenarios like TOTP, E…
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High 7.6CVE-2025-60424 Public exploit
A lack of rate limiting in the OTP verification component of Nagios Fusion v2024R1.2 and v2024R2 allows attackers to by…
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High 7.5
Moodle: password brute force risk when mobile/web services enabled
Moodle’s mobile and web service authentication endpoints did not sufficiently restrict repeated password attempts, making them susceptible to brute-force attacks.
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High 8.1CVE-2025-56224 Public exploit
A lack of rate limiting in the One-Time Password (OTP) verification endpoint of SigningHub v8.6.8 allows attackers to b…
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High 7.6
ExtremeGuest Essentials Captive Portal Unauthenticated Brute Force
In ExtremeGuest Essentials before 25.5.0, captive-portal may permit unauthorized access via manual brute-force procedure. Under certain ExtremeGuest Essentials captive-portal SSID configurations, repeated manual login attempts may allow an unauthenticated dev…
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High 7.5
Airship AI Acropolis MFA insufficient rate limiting
Airship AI Acropolis allows unlimited MFA attempts for 15 minutes after a user has logged in with valid credentials. A remote attacker with valid credentials could brute-force the 6-digit MFA code. Fixed in 10.2.35, 11.0.21, and 11.1.9.
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High 7.7
Cognex In-Sight Explorer and In-Sight Camera Firmware Improper Restriction of Excessive Authentication Attempts
Cognex In-Sight Explorer and In-Sight Camera Firmware expose a telnet-based service on port 23 in order to allow management operations on the device such as firmware upgrades and device reboot requiring an authentication. A wrong management of login failures …
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High 8.6
OTP Bypass in Akinsoft's TaskPano
Improper Restriction of Excessive Authentication Attempts vulnerability in Akinsoft TaskPano allows Authentication Bypass. This issue affects TaskPano: from s1.06.04 before v1.06.06.
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High 8.6
OTP Bypass in Akinsoft's e-Mutabakat
Improper Restriction of Excessive Authentication Attempts vulnerability in Akinsoft e-Mutabakat allows Authentication Bypass. This issue affects e-Mutabakat: from 2.02.06 before v2.02.06.
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High 8.6
OTP Bypass in Akinsoft's LimonDesk
Improper Restriction of Excessive Authentication Attempts vulnerability in Akinsoft LimonDesk allows Authentication Bypass. This issue affects LimonDesk: from s1.02.14 before v1.02.17.
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High 8.6
OTP Bypass in Akinsoft's MyRezzta
Improper Restriction of Excessive Authentication Attempts vulnerability in Akinsoft MyRezzta allows Authentication Bypass. This issue affects MyRezzta: from s2.03.01 before v2.05.01.
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High 8.6
OTP Bypass in Akinsoft's ProKuafor
Improper Restriction of Excessive Authentication Attempts vulnerability in Akinsoft ProKuafor allows Authentication Bypass. This issue affects ProKuafor: from s1.02.08 before v1.02.08.
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High 8.6
OTP Bypass in Akinsoft's OctoCloud
Improper Restriction of Excessive Authentication Attempts vulnerability in Akinsoft OctoCloud allows Authentication Bypass. This issue affects OctoCloud: from s1.09.03 before v1.11.01.
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High 8.6
OTP Bypass in Akinsoft's QR Menu
Improper Restriction of Excessive Authentication Attempts vulnerability in Akinsoft QR Menu allows Authentication Bypass. This issue affects QR Menu: from s1.05.07 before v1.05.12.
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High 8.1
EG4 Electronics EG4 Inverters Improper Restriction of Excessive Authentication Attempts
The affected product does not limit the number of attempts for inputting the correct PIN for a registered product, which may allow an attacker to gain unauthorized access using brute-force methods if they possess a valid device serial number. The API provides…
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High 7.5
Trilium Notes is Vulnerable to Brute-force Protection Bypass via Initial Sync Seed Retrieval
Trilium Notes is an open-source, cross-platform hierarchical note taking application with focus on building large personal knowledge bases. In versions below 0.97.0, a brute-force protection bypass in the initial sync seed retrieval endpoint allows unauthenti…
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High 7.5
IBM Informix Dynamic Server information disclosure
IBM Informix Dynamic Server 12.10 and 14.10 uses an inadequate account lockout setting that could allow a remote attacker to brute force account credentials.
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High 7.5
CVE-2025-27456
The SMB server's login mechanism does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it susceptible to brute-force attacks.
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High 7.5
CVE-2025-27449
The MEAC300-FNADE4 does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it susceptible to brute-force attacks.
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High 7.5
CVE-2025-1710
The maxView Storage Manager does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it susceptible to brute-force attacks.
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High 7.8
Aviatrix Controller versions prior to 7.1.4208, 7.2.5090, and 8.0.0 do not enforce rate limiting on password reset atte…
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High 7.5
Improper Restriction of Excessive Authentication Attempts
Password guessing limits could be bypassed when using LDAP authentication.
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High 8.1
Improper Restriction of Excessive Authentication Attempts
An unauthenticated user could discover account credentials via a brute-force attack without rate limiting
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High 8.2
Brute Force Attack Vulnerability in Meon KYC solutions
This vulnerability exists in Meon KYC solutions due to missing restrictions on the number of incorrect One-Time Password (OTP) attempts through certain API endpoints of login process. A remote attacker could exploit this vulnerability by performing a brute fo…
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High 7.0
Valmet DNA Lack of protection against brute force attacks
Lack of protection against brute force attacks in Valmet DNA visualization in DNA Operate. The possibility to make an arbitrary number of login attempts without any rate limit gives an attacker an increased chance of guessing passwords and then performing swi…
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High 7.4
Improper Restriction of Excessive Authentication Attempts in langgenius/dify
langgenius/dify version v0.10.1 contains a vulnerability where there are no limits applied to the number of code guess attempts for password reset. This allows an unauthenticated attacker to reset owner, admin, or other user passwords within a few hours by gu…
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High 7.5
IBM Concert Software information disclosure
IBM Concert Software 1.0.5 uses an inadequate account lockout setting that could allow a remote attacker to brute force account credentials.
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High 8.1
Org.wildfly.core:wildfly-elytron-integration: wildfly elytron brute force attack via cli
A flaw was found in Wildfly Elytron integration. The component does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it more susceptible to brute force attacks via CLI.
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High 7.5CVE-2024-57610 Public exploit
A rate limiting issue in Sylius v2.0.2 allows a remote attacker to perform unrestricted brute-force attacks on user acc…
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High 7.7
An improper restriction of excessive authentication attempts [CWE-307] in FortiClientEMS version 7.2.0 through 7.2.4 an…
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High 7.5
JATOS 3.9.4 contains a denial-of-service (DoS) vulnerability in the authentication system, where an attacker can preven…
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High 7.6
Dell Wyse Management Suite, versions WMS 4.4 and prior, contain an Improper Restriction of Excessive Authentication Att…
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High 8.6CVE-2024-5716 Public exploit
Logsign Unified SecOps Platform Authentication Bypass Vulnerability
Logsign Unified SecOps Platform Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of Logsign Unified SecOps Platform. Authentication is not required to exploit this vulnerability…