CWE-307— Improper Restriction of Excessive Authentication Attempts

Improper Restriction of Excessive Authentication Attempts vulnerability exists in all hardware versions of spaceLYnk and Wiser for KNX (formerly homeLYnk) which could allow an attacker to guess a password when brute force is used.

The Web UI component of Mitel MiVoice 6800 and 6900 series SIP Phones with firmware before 5.1.0.SP5 could allow an unauthenticated attacker to expose sensitive information due to improper memory handling during failed login attempts.

IBM Verify Gateway (IVG) 1.0.0 and 1.0.1 uses an inadequate account lockout setting that could allow a remote attacker to brute force account credentials. IBM X-Force ID: 179478.

IBM Security Identity Governance and Intelligence 5.2.6 could allow an attacker to enumerate usernames to find valid login credentials which could be used to attempt further attacks against the system. IBM X-Force ID: 175336.

An issue was discovered on Samsung mobile devices with P(9.0) and Q(10.0) (with TEEGRIS) software. Attackers can determine user credentials via a brute-force attack against the Gatekeeper trustlet. The Samsung ID is SVE-2020-16908 (May 202…

The OKLOK (3.1.1) mobile companion app for Fingerprint Bluetooth Padlock FB50 (2.3) does not correctly implement its timeout on the four-digit verification code that is required for resetting passwords, nor does it properly restrict excess…

An issue was discovered in iXsystems FreeNAS (and TrueNAS) 11.2 before 11.2-u8 and 11.3 before 11.3-U1. It allows a denial of service. The login authentication component has no limits on the length of an authentication message or the rate …

As of v1.5.0, the Argo API does not implement anti-automation measures such as rate limiting, account lockouts, or other anti-bruteforce measures. Attackers can submit an unlimited number of authentication attempts without consequence.

Some Xerox printers (such as the Phaser 3320 V53.006.16.000) did not implement account lockout. Local account credentials may be extracted from the device via brute force guessing attacks.

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 …

Dromara free-fs 2.0.1 through 2.3.1 contains an improper restriction of authentication attempts vulnerability that allows unauthenticated attackers to brute-force six-digit password reset codes via PUT /apis/user/forget-password. Attackers…

SiYuan 2.1.0 before 3.8.9 contains a flaw where the loginAuth CAPTCHA challenge lives in a signed client-side cookie, allowing reuse of a solved challenge. Attackers can replay the original signed siyuan cookie with distinct wrong access c…

OpsTree BuildPiper before 2.7.0 lacks rate limiting on password-reset OTP verification, allowing unauthenticated attackers to brute force 6-digit OTPs. Attackers can initiate a reset and submit unthrottled guesses to the check_otp endpoint…

Listmonk 6.0.0 before 7.0.0-beta.2 contains a 2FA bypass vulnerability that allows attackers with a valid password to brute-force TOTP codes because the attempt counter resets on every new password login. Attackers can repeatedly submit cr…

SOGo before 5.12.13 contains a missing rate limiting vulnerability in its web login TOTP verification that allows attackers who already possess a victim's password to brute-force the second-factor code without triggering any lockout. Attac…

SOGo before 5.12.13 contains an improper restriction of excessive authentication attempts vulnerability that allows unauthenticated attackers to reset account passwords by repeatedly guessing secret-question answers via the passwordRecover…

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…