CWE-307— Improper Restriction of Excessive Authentication Attempts

The py-bcrypt module before 0.3 for Python does not properly handle concurrent memory access, which allows attackers to bypass authentication via multiple authentication requests, which trigger the password hash to be overwritten.

Pimcore before 6.2.2 allow attackers to brute-force (guess) valid usernames by using the 'forgot password' functionality as it returns distinct messages for invalid password and non-existing users.

Cryptocat before 2.0.42 has Group Chat ECC Private Key Generation Brute Force Weakness

IBM Security Directory Server 6.4.0 uses an inadequate account lockout setting that could allow a remote attacker to brute force account credentials. IBM X-Force ID: 165178.

IBM Security Guardium Big Data Intelligence 4.0 (SonarG) uses an inadequate account lockout setting that could allow a remote attacker to brute force account credentials. IBM X-Force ID: 161036.

The Telenav Scout GPS Link app 1.x for iOS, as used with Toyota and Lexus vehicles, has an incorrect protection mechanism against brute-force attacks on the authentication process, which makes it easier for attackers to obtain multimedia-s…

IBM Intelligent Operations Center (IOC) 5.1.0 through 5.2.0 is vulnerable to user enumeration, allowing an attacker to brute force into the system. IBM X-Force ID: 157013.

A vulnerability in the Guest Portal login page of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to perform multiple login attempts in excess of the configured login attempt limit. The vulnerability is…

htdocs/parentalcontrols/bind.php on D-Link DIR-850L REV. A (with firmware through FW114WWb07_h2ab_beta1) devices does not prevent unauthenticated nonce-guessing attacks, which makes it easier for remote attackers to change the DNS configur…

The Telnet service for Polycom ViewStation before 7.2.4 does not restrict the number of failed login attempts, which makes it easier for remote attackers to guess usernames and passwords via a brute force attack.

Compaq/Microcom 6000 Access Integrator does not disconnect a client after a certain number of failed login attempts, which allows remote attackers to guess usernames or passwords via a brute force attack.

Weak password derivation for export in Devolutions Remote Desktop Manager before 2022.1 allows information disclosure via a password brute-force attack. An error caused base64 to be decoded.

Aiphone GT-DMB-N 3-in-1 Video Entrance Station with NFC Reader 1.0.3 does not mitigate against repeated failed access attempts, which allows an attacker to gain administrative privileges.

HCL BigFix Mobile / Modern Client Management Admin and Config UI passwords can be brute-forced. User should be locked out for multiple invalid attempts.

An insufficient logging [CWE-778] vulnerability in FortiSandbox versions 4.0.0 to 4.0.2, 3.2.0 to 3.2.3 and 3.1.0 to 3.1.5 and FortiDeceptor versions 4.2.0, 4.1.0 through 4.1.1, 4.0.0 through 4.0.2, 3.3.0 through 3.3.3, 3.2.0 through 3.2.2…

A vulnerability, which was classified as problematic, has been found in WBCE CMS. Affected by this issue is the function increase_attempts of the file wbce/framework/class.login.php of the component Header Handler. The manipulation of the …

An issue has been discovered in GitLab CE/EE affecting all versions before 15.1.6, all versions starting from 15.2 before 15.2.4, all versions starting from 15.3 before 15.3.2. It may be possible for an attacker to guess a user's password …

Course-tencent-cloud through 2.0.1 contains an improper restriction of authentication attempts vulnerability that allows unauthenticated attackers to brute force 6-digit SMS/email verification codes, which are never invalidated or attempt-…

MacCMS v10 through 2026.1000.4056 does not limit attempts on the six-digit password recovery code, allowing unauthenticated attackers to take over member accounts. Attackers knowing a victim's email or phone can request a code and brute-fo…

Netherman Portal del Hermano (portaldelhermano.es) before 2026-10-06 contains a broken authentication vulnerability in its password-recovery flow at the POST /password/create-access and POST /password/email endpoints, allowing unauthentica…

PLANKA 2.2.0 through 2.2.1 fails to limit incorrect TOTP codes submitted to POST /api/access-tokens/verify-totp, allowing attackers to brute force two-factor authentication codes. Attackers who know a user's password can reuse the ten-minu…

Nginx Proxy Manager through 2.16.0 lacks rate-limiting on authentication endpoints, allowing unauthenticated attackers to make unlimited password guesses against any account. Attackers can brute-force login credentials via POST /api/tokens…

WWBN AVideo through commit e01e41ecc (no patched version available) exposes get_api_preauthorize in plugin/API/API.php as a second, undocumented login path. Unlike get_api_signIn, which enforces a rate limit of 10 attempts per 5 minutes vi…

phpMyFAQ before 4.1.7 contains a brute-force vulnerability in the two-factor authentication step where the failure counter is session-scoped and reset on each successful password re-authentication. Attackers with a valid password can bypas…

OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. Versions prior to 1.0.2 don't throttle failed passphrase login attempts. An attacker can submit unlimited wrong passphrase guesses …

OpenProject is an open-source project management application. In versions prior to 17.3.0, 2FA OTP verification in the confirm_otp action of the two_factor_authentication module has no rate limiting, lockout mechanism, or failed-attempt tr…

HomeBox is a home inventory and organization system. Prior to 0.24.0, the authentication rate limiter (authRateLimiter) tracks failed attempts per client IP. It determines the client IP by reading, 1. X-Real-IP header, 2. First entry of X-…

Adobe Commerce versions 2.4.7-p1, 2.4.6-p6, 2.4.5-p8, 2.4.4-p9 and earlier are affected by an Improper Restriction of Excessive Authentication Attempts vulnerability that could result in a security feature bypass. An attacker could exploit…

UnixAuth lacks brute-force protection in Apache Ranger versions <= 2.8.0.  Note:  UnixAuth is NOT a recommended option for production deployments.  Users are recommended to upgrade to version 2.9.0, which fixes this issue.

dataCycle is a data management system for centrally storing, managing, searching, finding, and distributing data. In dataCycle-CORE, the module handling core processing and framework rules, before and including version 25.07.3, the applica…

9Router is an AI router & token saver. Prior to 0.4.80, the dashboard login rate limiter in src/lib/auth/loginLimiter.js derives the client identity from the attacker-controlled X-Forwarded-For HTTP header, and src/app/api/auth/login/route…

Better Auth is an authentication and authorization library for TypeScript. Prior to 1.4.17 and 1.5.0-beta.9, Better Auth's HTTP rate limiter keyed each request by the exact textual IP address it received in x-forwarded-for (or the configur…

The login limit is not enforced on the SFTP service of Fortra's GoAnywhere MFT prior to 7.10.0 if the Web User attempting to be logged in to is configured to log in with an SSH Key, making the SSH key vulnerable to being guessed via Brute…

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 F…

A login attempt restriction bypass vulnerability exists in the checkLoginAttempts functionality of WWBN AVideo dev master commit 15fed957fb. A specially crafted HTTP request can lead to captcha bypass, which can be abused by an attacker to…

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 at…

It was found that all versions of 3Scale developer portal lacked brute force protections. An attacker could use this gap to bypass login controls, and access privileged information, or possibly conduct further attacks.

An issue was discovered in Mattermost Server before 5.8.0. It mishandles brute-force attacks against MFA.

HTML injection is possible in system generated emails in Fortra's GoAnywhere MFT prior to 7.10.0. Note: The title, details, and description of this CVE were corrected post-publishing.

Dell PowerProtect Data Domain with Data Domain Operating System (DD OS) of Feature Release versions 8.4 through 8.5 contain an improper restriction of excessive authentication attempts vulnerability. A high privileged attacker with remote …

xrdp is an open source RDP server. xrdp versions prior to 0.10.0 have a vulnerability that allows attackers to make an infinite number of login attempts. The number of max login attempts is supposed to be limited by a configuration parame…

MCO is vulnerable to Account Denial of Service due to improper implementation of password reset functionality. Each password reset request invalidates previously set password as well as previously issued temporary passwords, furthermore, p…

Dell CloudBoost Virtual Appliance, versions 19.13.0.0 and prior, contains an Improper Restriction of Excessive Authentication Attempts vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerabili…

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 an…

FOSSBilling is an open source billing and client-management platform. From 0.1.0 until 0.8.7, the unauthenticated POST /api/guest/client/create endpoint reveals whether a submitted email belongs to a registered client because guest signup …

Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, the two-factor login step let an attacker try unlimited password guesses for any account without triggering Zammad's normal lockout or rate limiting. The r…

CWE-307: Improper Restriction of Excessive Authentication Attempts vulnerability exists that could allow an attacker to gain unauthorized access to a user account by performing an arbitrary number of authentication attempts when redirect h…

PaperCut NG/MF does not properly restrict excessive authentication attempts within its login component. An unauthenticated remote attacker can exploit this vulnerability to perform unrestricted brute-force or credential-stuffing attacks wi…

KTM System e-BOK does not implement any limit or timeout on consecutive login attempts, allowing an attacker to perform unlimited authentication requests. This lack of rate‑limiting enables efficient brute‑force attacks against user ac…

Craft Commerce is an ecommerce platform for Craft CMS. From 4.0.0 until 4.11.2 and 5.6.5, CartController in src/controllers/CartController.php activates its RateLimiter only when the number POST or GET parameter is supplied. An unauthentic…