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CWE-287

4,464 CVEs • Abstraction: Class • Likelihood of Exploit: High

Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

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CVEs (4,464)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Dlink
1Di 8100 Firmware
Jun 17, 2026
May 21, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
An issue in D-Link DI-8100 16.07.26A1 allows a remote attacker to bypass administrator login authentication
1Netgear
1Dgnd3700 Firmware
Jun 17, 2026
May 20, 2025
9.3 CRITICAL· v4
9.8 CRITICAL· v3
10.0 HIGH· v2
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 le...Show more
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 possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Other products might be affected as well. The vendor was contacted early about this disclosure.Show less
1Nextcloud
1Nextcloud Server
Jun 17, 2026
May 16, 2025
N/A· v4
6.4 MEDIUM· v3
N/A· v2
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...Show more
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 caused skipping the second factor confirmation after a successful login with the username and password when the server was configured with `remember_login_cookie_lifetime` set to `0`, once the session expired on the page to select the second factor and the page is reloaded. Nextcloud Server 29.0.15, 30.0.9, and 31.0.3 and Nextcloud Enterprise Server is upgraded to 26.0.13.15, 27.1.11.15, 28.0.14.6, 29.0.15, 30.0.9 and 31.0.3 contain a patch. As a workaround, set the `remember_login_cookie_lifetime` in config.php to a value other than `0`, e.g. `900`. Beware that this is only a workaround for new sessions created after the configuration change. System administration can delete affected sessions.Show less
1Dlink
1Di 7003g Firmware
Jun 17, 2026
May 16, 2025
6.9 MEDIUM· v4
5.3 MEDIUM· v3
7.5 HIGH· v2
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 authenticatio...Show more
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 attack remotely. The exploit has been disclosed to the public and may be used.Show less
-
-
Jun 17, 2026
May 15, 2025
N/A· v4
9.1 CRITICAL· v3
N/A· v2
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 CookieStor...Show more
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 brute forced, which may result in unauthorized access. Certain pre-conditions are required to be vulnerable to this issue: Applications using the Auth0-PHP SDK, or the Auth0/symfony, Auth0/laravel-auth0, and Auth0/wordpress SDKs that rely on the Auth0-PHP SDK; and session storage configured with CookieStore. Upgrade Auth0/Auth0-PHP to v8.14.0 to receive a patch. As an additional precautionary measure, rotating cookie encryption keys is recommended. Note that once updated, any previous session cookies will be rejected.Show less
1Jenkins
1Wso2 Oauth
Jun 17, 2026
May 14, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
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 real...Show more
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, including usernames that do not exist.Show less
-
-
Jun 17, 2026
May 13, 2025
7.1 HIGH· v4
7.5 HIGH· v3
N/A· v2
Improper authentication in the firmware for the Intel(R) Slim Bootloader may allow a privileged user to potentially enable escalation of privilege via local access.
1Microsoft
1Defender For Identity
Jun 17, 2026
May 13, 2025
N/A· v4
6.5 MEDIUM· v3
N/A· v2
Improper authentication in Microsoft Defender for Identity allows an unauthorized attacker to perform spoofing over an adjacent network.
1Apple
2Ipados
Iphone Os
Jun 17, 2026
May 12, 2025
N/A· v4
6.8 MEDIUM· v3
N/A· v2
The issue was addressed with improved authentication. This issue is fixed in iOS 18.5 and iPadOS 18.5, iPadOS 17.7.7. An attacker with physical access to a device may be able to access notes from the lock screen.
-
-
Jun 17, 2026
May 12, 2025
9.4 CRITICAL· v4
N/A· v3
N/A· v2
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 O...Show more
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 including 82000774_Z, build date 10/19/2020 * Digi One IAP – prior to and including 82000770 Z, build date 10/19/2020 A specially crafted POST request to the device’s web interface may allow an unauthenticated attacker to modify configuration settings.Show less
1Jadmin Java
1Jadmin
Jun 17, 2026
May 9, 2025
6.9 MEDIUM· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
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 im...Show more
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 to launch the attack remotely. The exploit has been disclosed to the public and may be used.Show less
1Microsoft
1Azure Devops
Jun 17, 2026
May 8, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Authentication bypass by assumed-immutable data in Azure DevOps allows an unauthorized attacker to elevate privileges over a network.
-
-
Jun 17, 2026
May 8, 2025
N/A· v4
10.0 CRITICAL· v3
N/A· v2
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 CloudVis...Show more
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. It does not impact CloudVision as-a-Service.Show less
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-
Jun 17, 2026
May 6, 2025
8.6 HIGH· v4
N/A· v3
N/A· v2
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 SA...Show more
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 valid SAML response. This can be done by adding attributes to the response. Users are affected specifically when the service provider is using `passport-wsfed-saml2` and a valid SAML Response signed by the Identity Provider can be obtained. Version 4.6.4 contains a fix for the vulnerability.Show less
-
-
Jun 17, 2026
May 6, 2025
9.3 CRITICAL· v4
N/A· v3
N/A· v2
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 SA...Show more
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 SAMLResponse. This can be done by using a valid SAML object that was signed by the configured IdP. Users are affected specifically when the service provider is using passport-wsfed-saml2 and a valid SAML document signed by the Identity Provider can be obtained. Version 4.6.4 contains a fix for the vulnerability.Show less
1Dell
1Storage Manager
Jun 17, 2026
May 6, 2025
N/A· v4
8.8 HIGH· v3
N/A· v2
Dell Storage Center - Dell Storage Manager, version(s) 20.1.20, contain(s) an Improper Authentication vulnerability. An unauthenticated attacker with adjacent network access could potentially exploit this vulnerability,...Show more
Dell Storage Center - Dell Storage Manager, version(s) 20.1.20, contain(s) an Improper Authentication vulnerability. An unauthenticated attacker with adjacent network access could potentially exploit this vulnerability, leading to Elevation of privileges.Show less
1Huawei
1Harmonyos
Jun 17, 2026
May 6, 2025
N/A· v4
6.5 MEDIUM· v3
N/A· v2
Bypass vulnerability in the network search instruction authentication module Impact: Successful exploitation of this vulnerability can bypass authentication and enable access to some network search functions.
1Beyondtrust
1Privileged Remote Access
Jun 17, 2026
May 5, 2025
7.3 HIGH· v4
7.8 HIGH· v3
N/A· v2
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...Show more
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 unauthorized access to connected sessions.Show less
1Niceforyou
1Gefen Webfwc
Jul 5, 2026
May 5, 2025
N/A· v4
6.5 MEDIUM· v3
N/A· v2
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 attackers with network access to connect to the device over TCP port 4444 without authentication and...Show more
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 attackers with network access to connect to the device over TCP port 4444 without authentication and execute arbitrary commands with root privileges.Show less
1Totolink
1A720r Firmware
Jun 17, 2026
May 5, 2025
6.9 MEDIUM· v4
5.3 MEDIUM· v3
5.0 MEDIUM· v2
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...Show more
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 authentication. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.Show less