TSPortal's Uncontrolled User Creation via Validation Side Effects Leads to Potential Denial of Service

Summary A flaw in TSPortal allowed attackers to create arbitrary user records in the database by abusing validation logic. While validation correctly rejected invalid usernames, a side effect within a validation rule caused user records to be created regardless of whether the request succeeded...

EUVD-2012-4513

Malware in sbrugna...

EUVD-2025-7629

Malicious code in bioql PyPI...

CVE-2023-30458

A username enumeration issue was discovered in Medicine Tracker System 1.0. The login functionality allows a malicious user to guess a valid username due to a different response time from invalid usernames. When one enters a valid username, the response time increases depending on the length of t...

SUSE CVE-2018-20170

OpenStack Keystone through 14.0.1 has a user enumeration vulnerability because invalid usernames have much faster responses than valid ones for a POST /v3/auth/tokens request. NOTE: the vendor's position is that this is a hardening opportunity, and not necessarily an issue that should have an...

ServiceNow Orlando 安全漏洞

ServiceNow Orlando is a cloud-based platform from US-based ServiceNow, Inc. A security vulnerability exists in ServiceNow Orlando that stems from a password reset form in ServiceNow Orlando that provides different responses to invalid authentication attempts based on the existence of a username...

CVE-2021-44155

An issue was discovered in /goform/loginprocess in Reprise RLM 14.2. When an attacker attempts to login, the response if a username is valid includes Login Failed, but does not include this string if the username is invalid. This allows an attacker to enumerate valid users...

CVE-2009-2422

The example code for the digest authentication functionality httpauthentication.rb in Ruby on Rails before 2.3.3 defines an authenticateorrequestwithhttpdigest block that returns nil instead of false when the user does not exist, which allows context-dependent attackers to bypass authentication f...

CVE-2017-18401

cPanel before 68.0.15 allows user accounts to be partially created with invalid username formats SEC-334...

DEBIAN-CVE-2017-2659

It was found that dropbear before version 2013.59 with GSSAPI leaks whether given username is valid or invalid. When an invalid username is given, the GSSAPI authentication failure was incorrectly counted towards the maximum allowed number of password attempts...

UBUNTU-CVE-2018-20170

OpenStack Keystone through 14.0.1 has a user enumeration vulnerability because invalid usernames have much faster responses than valid ones for a POST /v3/auth/tokens request. NOTE: the vendor's position is that this is a hardening opportunity, and not necessarily an issue that should have an...

CVE-2018-20170

OpenStack Keystone through 14.0.1 has a user enumeration vulnerability because invalid usernames have much faster responses than valid ones for a POST /v3/auth/tokens request. NOTE: the vendor's position is that this is a hardening opportunity, and not necessarily an issue that should have an...

USN-2171-1 rsync vulnerability

Ryan Finnie discovered that the rsync daemon incorrectly handled invalid usernames. A remote attacker could use this issue to cause rsync to consume resources, resulting in a denial of service...

CVE-2012-4588

McAfee Enterprise Mobility Manager EMM Agent before 4.8 and Server before 10.1 record all invalid usernames presented in failed login attempts, and place them on a list of accounts that an administrator may wish to unlock, which allows remote attackers to cause a denial of service excessive list...

PYSEC-2010-21

FTPServer.py in pyftpdlib before 0.2.0 does not increment the attemptedlogins count for a USER command that specifies an invalid username, which makes it easier for remote attackers to obtain access via a brute-force attack...