Weakness (CWE)
CWE-287: Improper Authentication
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
How to prevent it (1 mitigation)
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Architecture and Design
Use an authentication framework or library such as the OWASP ESAPI Authentication feature.
Source: MITRE CWE-287
3,178 results · Feed
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Medium —
Improper Authentication in Apache MyFaces
shared/util/StateUtils.java in Apache MyFaces 1.1.x before 1.1.8, 1.2.x before 1.2.9, and 2.0.x before 2.0.1 uses an encrypted View State without a Message Authentication Code (MAC), which makes it easier for remote attackers to perform successful modificatio…
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High 7.3
Improper Authentication in pyftpdlib
ftpserver.py in pyftpdlib before 0.5.0 does not delay its response after receiving an invalid login attempt, which makes it easier for remote attackers to obtain access via a brute-force attack.
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High 7.3
Improper Authentication in pyftpdlib
FTPServer.py in pyftpdlib before 0.2.0 does not increment the attempted_logins 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.
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Medium —
Moodle Session Fixation vulnerability
Moodle 1.8.x and 1.9.x before 1.9.8 does not enable the "Regenerate session id during login" setting by default, which makes it easier for remote attackers to conduct session fixation attacks.
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Medium —
Improper Authentication in Apache Tomcat
The autodeployment process in Apache Tomcat 5.5.0 through 5.5.28 and 6.0.0 through 6.0.20, when autoDeploy is enabled, deploys appBase files that remain from a failed undeploy, which might allow remote attackers to bypass intended authentication requirements …
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Medium —
TYPO3 Install Tool Subcomponent Allows Access Using Only a Password's MD5 Hash as a Credential
The Install Tool subcomponent in TYPO3 4.0.13 and earlier, 4.1.x before 4.1.13, 4.2.x before 4.2.10, and 4.3.x before 4.3beta2 allows remote attackers to gain access by using only the password's md5 hash as a credential.
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High 7.5
Zope Object Database (ZODB) Authentication bypass in ZEO storage servers
Zope Object Database (ZODB) before 3.8.2, when certain Zope Enterprise Objects (ZEO) database sharing is enabled, allows remote attackers to bypass authentication via vectors involving the ZEO network protocol.
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Critical 9.8
rails vulnerable to improper authentication
The example code for the digest authentication functionality (http_authentication.rb) in Ruby on Rails before 2.3.3 defines an authenticate_or_request_with_http_digest block that returns nil instead of false when the user does not exist, which allows context-…
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Medium —CVE-2009-1595 Public exploit
Ignite Realtime Openfire Allows Users to Change Passwords of Arbitrary Accounts
The jabber:iq:auth implementation in IQAuthHandler.java in Ignite Realtime Openfire before 3.6.4 allows remote authenticated users to change the passwords of arbitrary accounts via a modified username element in a passwd_change action.
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Medium —
Moderate severity vulnerability that affects Products.PlonePAS
The PlonePAS product 3.x before 3.9 and 3.2.x before 3.2.2, a product for Plone, does not properly handle the login form, which allows remote authenticated users to acquire the identity of an arbitrary user via unspecified vectors.
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High —
Authentication library in TYPO3 vulnerable to session fixation
Session fixation vulnerability in the authentication library in TYPO3 4.0.0 through 4.0.9, 4.1.0 through 4.1.7, and 4.2.0 through 4.2.3 allows remote attackers to hijack web sessions via unspecified vectors related to (1) frontend and (2) backend authenticati…
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Critical 9.1
Session fixation vulnerability in SpaceTag LacoodaST 2.1.3 and earlier allows remote attackers to hijack web sessions v…
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High 7.3
Improper Authentication in Mortbay Jetty
Mortbay Jetty before 6.1.6rc1 does not properly handle "certain quote sequences" in HTML cookie parameters, which allows remote attackers to hijack browser sessions via unspecified vectors.
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Critical 9.8
file.cgi in Secure Computing SecurityReporter (aka Network Security Analyzer) before 4.6.3 allows remote attackers to b…
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Critical 9.1
Session fixation vulnerability in eXV2 CMS 2.0.4.3 and earlier allows remote attackers to hijack web sessions by settin…
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High —
Zope does not properly perform security registration for legacy names
Zope 2.2.0 through 2.2.4 does not properly perform security registration for legacy names of object constructors such as DTML method objects, which could allow attackers to perform unauthorized activities.
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Medium —
Zope DocumentTemplate package allows unauthenticated write
The DocumentTemplate package in Zope 2.2 and earlier allows a remote attacker to modify DTMLDocuments or DTMLMethods without authorization.
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High —
Zope DTML implementation Improper Authentication
The DTML implementation in the Z Object Publishing Environment (Zope) allows remote attackers to conduct unauthorized activities.