CWE-303
Incorrect Implementation of Authentication Algorithm
Description
The requirements for the product dictate the use of an established authentication algorithm, but the implementation of the algorithm is incorrect.
Hierarchy (View 1000)
Related attack patterns (CAPEC)
CAPEC-90
CVEs mapped to this weakness (110)
page 1 of 6| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2023-29357 | Cri | 0.93 | 9.8 | 1.00 | KEV | Jun 14, 2023 | Microsoft SharePoint Server Elevation of Privilege Vulnerability | |
| CVE-2024-7593 | Cri | 0.87 | 9.8 | 1.00 | KEV | Aug 13, 2024 | Incorrect implementation of an authentication algorithm in Ivanti vTM other than versions 22.2R1 or 22.7R2 allows a remote unauthenticated attacker to bypass authentication of the admin panel. | |
| CVE-2022-20695 | Cri | 0.67 | 10.0 | 0.20 | Apr 15, 2022 | A vulnerability in the authentication functionality of Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to bypass authentication controls and log in to the device through the management interface This vulnerability is due to the… | ||
| CVE-2026-46389 | Cri | 0.65 | 10.0 | 0.01 | Jun 5, 2026 | UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS Core's Identity deployment. In versions 0.11.0 through 0.26.0, a logic error in the `client-kubernetes-secret` Keycloak client authenticator (shipped by… | ||
| CVE-2026-59309 | Cri | 0.64 | 9.8 | 0.01 | Jul 30, 2026 | VMware vCenter contains an authentication bypass vulnerability in the VMware Directory Service. A malicious actor with network access to vCenter may exploit this issue to bypass authentication and gain unauthorized access to the system. | ||
| CVE-2026-29515 | Cri | 0.64 | 9.8 | 0.01 | Mar 11, 2026 | MiCode FileExplorer contains an authentication bypass vulnerability in the embedded SwiFTP FTP server component that allows network attackers to log in without valid credentials. Attackers can send arbitrary username and password combinations to the PASS command handler, which… | ||
| CVE-2025-66489 | Cri | 0.64 | 9.8 | 0.01 | Dec 3, 2025 | Cal.com is open-source scheduling software. Prior to 5.9.8, A flaw in the login credentials provider allows an attacker to bypass password verification when a TOTP code is provided, potentially gaining unauthorized access to user accounts. This issue exists due to problematic… | ||
| CVE-2025-63210 | Cri | 0.64 | 9.8 | 0.01 | Nov 19, 2025 | The Newtec Celox UHD (models: CELOXA504, CELOXA820) running firmware version celox-21.6.13 is vulnerable to an authentication bypass. An attacker can exploit this issue by modifying intercepted responses from the /celoxservice endpoint. By injecting a forged response body during… | ||
| CVE-2025-21311 | Cri | 0.64 | 9.8 | 0.02 | Jan 14, 2025 | Windows NTLM V1 Elevation of Privilege Vulnerability | ||
| CVE-2024-10127 | Cri | 0.64 | 9.8 | 0.01 | Nov 20, 2024 | Authentication bypass condition in LDAP authentication in M-Files server versions before 24.11 supported usage of OpenLDAP configurations that allowed user authentication without a password when the LDAP server itself had the vulnerable configuration. | ||
| CVE-2024-4985 | Cri | 0.64 | 9.8 | 0.03 | May 20, 2024 | An authentication bypass vulnerability was present in the GitHub Enterprise Server (GHES) when utilizing SAML single sign-on authentication with the optional encrypted assertions feature. This vulnerability allowed an attacker to forge a SAML response to provision and/or gain… | ||
| CVE-2023-3326 | Cri | 0.64 | 9.8 | 0.01 | Jun 22, 2023 | pam_krb5 authenticates a user by essentially running kinit with the password, getting a ticket-granting ticket (tgt) from the Kerberos KDC (Key Distribution Center) over the network, as a way to verify the password. However, if a keytab is not provisioned on the system, pam_krb5… | ||
| CVE-2021-25315 | Cri | 0.64 | 9.8 | 0.02 | Mar 3, 2021 | CWE - CWE-287: Improper Authentication vulnerability in SUSE Linux Enterprise Server 15 SP 3; openSUSE Tumbleweed allows local attackers to execute arbitrary code via salt without the need to specify valid credentials. This issue affects: SUSE Linux Enterprise Server 15 SP 3… | ||
| CVE-2018-4841 | Cri | 0.64 | 9.8 | 0.05 | Mar 29, 2018 | A vulnerability has been identified in TIM 1531 IRC (All versions < V1.1). A remote attacker with network access to port 80/tcp or port 443/tcp could perform administrative operations on the device without prior authentication. Successful exploitation could allow to cause a… | ||
| CVE-2020-8863 | Hig | 0.63 | 8.8 | 0.77 | Mar 23, 2020 | This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-867, DIR-878, and DIR-882 routers with firmware 1.10B04. Authentication is not required to exploit this vulnerability. The specific flaw exists within the… | ||
| CVE-2023-4860 | Cri | 0.62 | 9.6 | 0.00 | Jul 16, 2024 | Inappropriate implementation in Skia in Google Chrome prior to 115.0.5790.98 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High) | ||
| CVE-2024-4332 | Cri | 0.61 | — | 0.01 | Jun 3, 2024 | An authentication bypass vulnerability has been identified in the REST and SOAP API components of Tripwire Enterprise (TE) 9.1.0 when TE is configured to use LDAP/Active Directory SAML authentication and its optional "Auto-synchronize LDAP Users, Roles, and Groups" feature is… | ||
| CVE-2026-15688 | Cri | 0.60 | — | 0.00 | Sep 17, 2026 | Incorrect Implementation of Authentication Algorithm Vulnerability in Mitsubishi Electric GX Works3 and Motion Control Setting allows a local attacker to successfully authenticate even with an invalid block password by executing the affected product and modifying part of the… | ||
| CVE-2026-3869 | — | Cri | 0.60 | — | 0.01 | Sep 11, 2026 | CWE-303 : Incorrect Implementation of Authentication Algorithm vulnerability exists that could cause loss of confidentiality, integrity and availability of the PLC provided an application project with a lower application level is running on the PLC. | |
| CVE-2026-41103 | Cri | 0.60 | 9.1 | 0.01 | May 12, 2026 | Incorrect implementation of authentication algorithm in Microsoft SSO Plugin for Jira & Confluence allows an unauthorized attacker to elevate privileges over a network. |
- risk 0.93cvss 9.8epss 1.00
Microsoft SharePoint Server Elevation of Privilege Vulnerability
- risk 0.87cvss 9.8epss 1.00
Incorrect implementation of an authentication algorithm in Ivanti vTM other than versions 22.2R1 or 22.7R2 allows a remote unauthenticated attacker to bypass authentication of the admin panel.
- risk 0.67cvss 10.0epss 0.20
A vulnerability in the authentication functionality of Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to bypass authentication controls and log in to the device through the management interface This vulnerability is due to the…
- risk 0.65cvss 10.0epss 0.01
UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS Core's Identity deployment. In versions 0.11.0 through 0.26.0, a logic error in the `client-kubernetes-secret` Keycloak client authenticator (shipped by…
- risk 0.64cvss 9.8epss 0.01
VMware vCenter contains an authentication bypass vulnerability in the VMware Directory Service. A malicious actor with network access to vCenter may exploit this issue to bypass authentication and gain unauthorized access to the system.
- risk 0.64cvss 9.8epss 0.01
MiCode FileExplorer contains an authentication bypass vulnerability in the embedded SwiFTP FTP server component that allows network attackers to log in without valid credentials. Attackers can send arbitrary username and password combinations to the PASS command handler, which…
- risk 0.64cvss 9.8epss 0.01
Cal.com is open-source scheduling software. Prior to 5.9.8, A flaw in the login credentials provider allows an attacker to bypass password verification when a TOTP code is provided, potentially gaining unauthorized access to user accounts. This issue exists due to problematic…
- risk 0.64cvss 9.8epss 0.01
The Newtec Celox UHD (models: CELOXA504, CELOXA820) running firmware version celox-21.6.13 is vulnerable to an authentication bypass. An attacker can exploit this issue by modifying intercepted responses from the /celoxservice endpoint. By injecting a forged response body during…
- risk 0.64cvss 9.8epss 0.02
Windows NTLM V1 Elevation of Privilege Vulnerability
- risk 0.64cvss 9.8epss 0.01
Authentication bypass condition in LDAP authentication in M-Files server versions before 24.11 supported usage of OpenLDAP configurations that allowed user authentication without a password when the LDAP server itself had the vulnerable configuration.
- risk 0.64cvss 9.8epss 0.03
An authentication bypass vulnerability was present in the GitHub Enterprise Server (GHES) when utilizing SAML single sign-on authentication with the optional encrypted assertions feature. This vulnerability allowed an attacker to forge a SAML response to provision and/or gain…
- risk 0.64cvss 9.8epss 0.01
pam_krb5 authenticates a user by essentially running kinit with the password, getting a ticket-granting ticket (tgt) from the Kerberos KDC (Key Distribution Center) over the network, as a way to verify the password. However, if a keytab is not provisioned on the system, pam_krb5…
- risk 0.64cvss 9.8epss 0.02
CWE - CWE-287: Improper Authentication vulnerability in SUSE Linux Enterprise Server 15 SP 3; openSUSE Tumbleweed allows local attackers to execute arbitrary code via salt without the need to specify valid credentials. This issue affects: SUSE Linux Enterprise Server 15 SP 3…
- risk 0.64cvss 9.8epss 0.05
A vulnerability has been identified in TIM 1531 IRC (All versions < V1.1). A remote attacker with network access to port 80/tcp or port 443/tcp could perform administrative operations on the device without prior authentication. Successful exploitation could allow to cause a…
- risk 0.63cvss 8.8epss 0.77
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-867, DIR-878, and DIR-882 routers with firmware 1.10B04. Authentication is not required to exploit this vulnerability. The specific flaw exists within the…
- risk 0.62cvss 9.6epss 0.00
Inappropriate implementation in Skia in Google Chrome prior to 115.0.5790.98 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
- risk 0.61cvss —epss 0.01
An authentication bypass vulnerability has been identified in the REST and SOAP API components of Tripwire Enterprise (TE) 9.1.0 when TE is configured to use LDAP/Active Directory SAML authentication and its optional "Auto-synchronize LDAP Users, Roles, and Groups" feature is…
- risk 0.60cvss —epss 0.00
Incorrect Implementation of Authentication Algorithm Vulnerability in Mitsubishi Electric GX Works3 and Motion Control Setting allows a local attacker to successfully authenticate even with an invalid block password by executing the affected product and modifying part of the…
- risk 0.60cvss —epss 0.01
CWE-303 : Incorrect Implementation of Authentication Algorithm vulnerability exists that could cause loss of confidentiality, integrity and availability of the PLC provided an application project with a lower application level is running on the PLC.
- risk 0.60cvss 9.1epss 0.01
Incorrect implementation of authentication algorithm in Microsoft SSO Plugin for Jira & Confluence allows an unauthorized attacker to elevate privileges over a network.