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
3,172 results · Feed
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High 7.3
Gowabby HFish url.go LoadUrl improper authentication
A vulnerability, which was classified as critical, has been found in Gowabby HFish 0.1. This issue affects the function LoadUrl of the file \view\url.go. The manipulation of the argument r leads to improper authentication. The attack may be initiated remotely…
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Medium 5.6
WCMS Login getallcon getMemberByUid improper authentication
A vulnerability was found in WCMS up to 8.3.11. It has been declared as critical. Affected by this vulnerability is the function getMemberByUid of the file /index.php?articleadmin/getallcon of the component Login. The manipulation of the argument uid leads to…
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Medium 5.8
Improper Authentication in WSO2 Identity Server 7.0.0 Allows Bypass of App-Native Authentication
An improper authentication vulnerability exists in WSO2 Identity Server 7.0.0 due to an implementation flaw that allows app-native authentication to be bypassed when an invalid object is passed. Exploitation of this vulnerability could enable malicious actors…
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Critical 9.8
An issue in Ocuco Innovation - INNOVASERVICEINTF.EXE v2.10.24.17 allows attackers to bypass authentication and escalate…
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High 7.2
An issue in Ocuco Innovation - JOBMANAGER.EXE v2.10.24.16 allows attackers to bypass authentication and escalate privil…
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Critical 9.8
An issue in Ocuco Innovation - REPORTSERVER.EXE v2.10.24.13 allows attackers to bypass authentication and escalate priv…
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Critical 9.8
An issue in Ocuco Innovation - REPORTS.EXE v2.10.24.13 allows attackers to bypass authentication and escalate privilege…
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Critical 9.8
An issue in Ocuco Innovation - INVCLIENT.EXE v2.10.24.5 allows attackers to bypass authentication and escalate privileg…
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Medium 6.5
An issue was discovered in Infoblox NETMRI before 7.6.1. Authentication Bypass via a Hardcoded credential can occur.
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Critical 9.8
An issue in D-Link DI-8100 16.07.26A1 allows a remote attacker to bypass administrator login authentication
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Critical 9.8CVE-2025-4978 EPSS 22%
Netgear DGND3700 Basic Authentication BRS_top.html improper authentication
A vulnerability, which was classified as very critical, was found in Netgear DGND3700 1.1.00.15_1.00.15NA. This affects an unknown part of the file /BRS_top.html of the component Basic Authentication. The manipulation leads to improper authentication. It is p…
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Critical 9.1
laravel-auth0 SDK Vulnerable to Brute Force Authentication Tags of CookieStore Sessions
**Overview** Session cookies of applications using the laravel-auth0 SDK configured with CookieStore have authentication tags that can be brute forced, which may result in unauthorized access. **Am I Affected?** You are affected by this vulnerability if you m…
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Critical 9.1
Auth0 Wordpress plugin Vulnerable to Brute Force Authentication Tags of CookieStore Sessions
**Overview** Session cookies of applications using the Auth0 Wordpress plugin configured with CookieStore have authentication tags that can be brute forced, which may result in unauthorized access. **Am I Affected?** You are affected by this vulnerability if …
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Critical 9.1
Auth0 Symfony SDK Vulnerable to Brute Force Authentication Tags of CookieStore Sessions
**Overview** Session cookies of applications using the Auth0 symfony SDK configured with CookieStore have authentication tags that can be brute forced, which may result in unauthorized access. **Am I Affected?** You are affected by this vulnerability if you m…
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Medium 6.4
Nextcloud Server doesn't request second factor after session timeout
Nextcloud Server is a self hosted personal cloud system. Nextcloud Server prior to 29.0.15, 30.0.9, and 31.0.3 and Nextcloud Enterprise Server prior to 26.0.13.15, 27.1.11.15, 28.0.14.6, 29.0.15, 30.0.9, and 31.0.3 have a bug with session handling. The bug ca…
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High 7.3
D-Link DI-7003GV2 netconfig.asp sub_497DE4 improper authentication
A vulnerability was found in D-Link DI-7003GV2 24.04.18D1 R(68125). It has been classified as critical. This affects the function sub_497DE4 of the file /H5/netconfig.asp. The manipulation leads to improper authentication. It is possible to initiate the attac…
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Critical 9.1
Brute Force Authentication Tags of CookieStore Sessions in Auth0-PHP SDK
Auth0-PHP provides the PHP SDK for Auth0 Authentication and Management APIs. Starting in version 8.0.0-BETA1 and prior to version 8.14.0, session cookies of applications using the Auth0-PHP SDK configured with CookieStore have authentication tags that can be …
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Critical 9.8
Jenkins WSO2 Oauth Plugin Fails to Properly Authenticate User Credentials
In Jenkins WSO2 Oauth Plugin 1.0 and earlier, authentication claims are accepted without validation by the "WSO2 Oauth" security realm, allowing unauthenticated attackers to log in to controllers using this security realm using any username and any password, …
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High 7.5
Improper authentication in the firmware for the Intel(R) Slim Bootloader may allow a privileged user to potentially ena…
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Medium 6.5
Microsoft Defender for Identity Spoofing Vulnerability
Improper authentication in Microsoft Defender for Identity allows an unauthorized attacker to perform spoofing over an adjacent network.
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Medium 6.8
The issue was addressed with improved authentication. This issue is fixed in iOS 18.5 and iPadOS 18.5, iPadOS 17.7.7. A…
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Critical 9.4
Improper authentication handling for Digi PortServer TS; Digi One SP, SP IA, IA; Digi One IAP
Improper authentication handling was identified in a set of HTTP POST requests affecting the following product families: * Digi PortServer TS - prior to and including 82000747_AA, build date 06/17/2022 * Digi One SP/Digi One SP IA/Digi One IA - prior to and i…
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High 7.3
JAdmin-JAVA JAdmin Admin Backend NoNeedLoginController.java toLogin improper authentication
A vulnerability, which was classified as critical, was found in JAdmin-JAVA JAdmin 1.0. Affected is the function toLogin of the file NoNeedLoginController.java of the component Admin Backend. The manipulation leads to improper authentication. It is possible t…
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Critical 10.0
On affected versions of the CloudVision Portal, improper access controls could enable a malicious authenticated user to take broader actions on managed EOS devices than intended. This advisory impacts the Arista CloudVision Portal products when run on-prem
On affected versions of the CloudVision Portal, improper access controls could enable a malicious authenticated user to take broader actions on managed EOS devices than intended. This advisory impacts the Arista CloudVision Portal products when run on-premise…
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High 8.6
passport-wsfed-saml2 Has SAML Authentication Bypass via Attribute Smuggling
passport-wsfed-saml2 provides passport strategy for both WS-fed and SAML2 protocol. A vulnerability present starting in version 3.0.5 up to and including version 4.6.3 allows an attacker to impersonate any user during SAML authentication by tampering with a v…
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Critical 9.3
passport-wsfed-saml2 Has SAML Authentication Bypass via Signature Wrapping
passport-wsfed-saml2 provides passport strategy for both WS-fed and SAML2 protocol. A vulnerability present starting in version 3.0.5 up to and including version 4.6.3 allows an attacker to impersonate any user during SAML authentication by crafting a SAMLRes…
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High 8.3
Dell Storage Center - Dell Storage Manager, version(s) 20.1.20, contain(s) an Improper Authentication vulnerability. An…
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Medium 6.3
Bypass vulnerability in the network search instruction authentication module Impact: Successful exploitation of this vu…
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High 7.3
Privileged Remote Access Authentication Bypass
BeyondTrust Privileged Remote Access (PRA) versions prior to 25.1 are vulnerable to a local authentication bypass. A local authenticated attacker can view the connection details of a ShellJump session that was initiated with external tools, allowing unauthori…
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Medium 5.3
TOTOLINK A720R cstecgi.cgi missing authentication
A vulnerability has been found in TOTOLINK A720R 4.1.5cu.374 and classified as critical. This vulnerability affects unknown code of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument topicurl with the input RebootSystem leads to missing authentic…
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Medium 6.5
An issue in the /usr/local/bin/jncs.sh script of Gefen WebFWC (In AV over IP products) v1.85h, v1.86v, and v1.70 allows…
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Medium 5.3
PKCE bypass via downgrade attack
PKCE was implemented in the OAuth implementation in workers-oauth-provider that is part of MCP framework https://github.com/cloudflare/workers-mcp . However, it was found that an attacker could cause the check to be skipped. Fixed in: https://github.com/cloud…
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Medium 6.5
Improper access controls in the web management portal of the Tenda RX2 Pro 16.03.30.14 allows an unauthenticated remote…
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Medium 6.5
Improper access controls in the web management portal of the Tenda RX2 Pro 16.03.30.14 allows an unauthenticated remote…
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High 8.6
Finit bundled getty can bypass /bin/login
Finit is a fast init for Linux systems. Versions starting from 3.0-rc1 and prior to version 4.11 bundle an implementation of getty for the `tty` configuration directive that can bypass `/bin/login`, i.e., a user can log in as any user without authentication. …
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Medium 5.4
Org.keycloak.authentication: two factor authentication bypass
A flaw was found in Keycloak. The org.keycloak.authorization package may be vulnerable to circumventing required actions, allowing users to circumvent requirements such as setting up two-factor authentication.
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Critical 10.0
YesWiki Vulnerable to Unauthenticated Site Backup Creation and Download
YesWiki is a wiki system written in PHP. Prior to version 4.5.4, the request to commence a site backup can be performed and downloaded without authentication. The archives are created with a predictable filename, so a malicious user could create and download …
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High 7.3
20120630 Novel-Plus GeneratorController.java genCode missing authentication
A vulnerability, which was classified as critical, was found in 20120630 Novel-Plus up to 0e156c04b4b7ce0563bef6c97af4476fcda8f160. Affected is the function genCode of the file novel-admin/src/main/java/com/java2nb/common/controller/GeneratorController.java. …
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Medium 5.3
20120630 Novel-Plus CrawlController.java addCrawlSource missing authentication
A vulnerability, which was classified as critical, has been found in 20120630 Novel-Plus up to 0e156c04b4b7ce0563bef6c97af4476fcda8f160. This issue affects the function addCrawlSource of the file novel-crawl/src/main/java/com/java2nb/novel/controller/CrawlCon…
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Medium 5.3
20120630 Novel-Plus SessionController.java list missing authentication
A vulnerability was found in 20120630 Novel-Plus up to 0e156c04b4b7ce0563bef6c97af4476fcda8f160. It has been rated as critical. Affected by this issue is the function list of the file novel-system/src/main/java/com/java2nb/system/controller/SessionController.…