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 (101)
page 2 of 6| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2025-13390 | Cri | 0.58 | 10.0 | 0.05 | Dec 3, 2025 | The WP Directory Kit plugin for WordPress is vulnerable to authentication bypass in all versions up to, and including, 1.4.4 due to incorrect implementation of the authentication algorithm in the "wdk_generate_auto_login_link" function. This is due to the feature using a… | ||
| CVE-2020-8861 | Hig | 0.58 | 8.8 | 0.07 | Feb 22, 2020 | This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DAP-1330 1.10B01 BETA Wi-Fi range extenders. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP login… | ||
| CVE-2026-47300 | Hig | 0.57 | 8.8 | 0.01 | Jul 14, 2026 | Incorrect implementation of authentication algorithm in ASP.NET Core allows an authorized attacker to elevate privileges over a network. | ||
| CVE-2026-35579 | Cri | 0.57 | 9.8 | 0.01 | May 5, 2026 | CoreDNS is a DNS server written in Go. In versions prior to 1.14.3, the gRPC, QUIC, DoH, and DoH3 transport implementations incorrectly handle TSIG authentication. For gRPC and QUIC, the server checks whether the TSIG key name exists in the configuration but never calls… | ||
| CVE-2026-0073 | Hig | 0.57 | 8.8 | 0.01 | May 4, 2026 | In adbd_tls_verify_cert of auth.cpp, there is a possible bypass of wireless ADB mutual authentication due to a logic error in the code. This could lead to remote (proximal/adjacent) code execution as the shell user with no additional execution privileges needed. User interaction… | ||
| CVE-2025-4676 | Hig | 0.57 | 8.8 | 0.00 | Jan 7, 2026 | Incorrect Implementation of Authentication Algorithm vulnerability in ABB WebPro SNMP Card PowerValue, ABB WebPro SNMP Card PowerValue UL.This issue affects WebPro SNMP Card PowerValue: through 1.1.8.K; WebPro SNMP Card PowerValue UL: through 1.1.8.K. | ||
| CVE-2025-12421 | Cri | 0.57 | 9.9 | 0.00 | Nov 27, 2025 | Mattermost versions 11.0.x <= 11.0.2, 10.12.x <= 10.12.1, 10.11.x <= 10.11.4, 10.5.x <= 10.5.12 fail to to verify that the token used during the code exchange originates from the same authentication flow, which allows an authenticated user to perform account takeover via a… | ||
| CVE-2025-12419 | Cri | 0.57 | 9.9 | 0.00 | Nov 27, 2025 | Mattermost versions 10.12.x <= 10.12.1, 10.11.x <= 10.11.4, 10.5.x <= 10.5.12, 11.0.x <= 11.0.3 fail to properly validate OAuth state tokens during OpenID Connect authentication which allows an authenticated attacker with team creation privileges to take over a user account via… | ||
| CVE-2024-34722 | Hig | 0.57 | 8.8 | 0.00 | Jul 9, 2024 | In smp_proc_rand of smp_act.cc, there is a possible authentication bypass during legacy BLE pairing due to incorrect implementation of a protocol. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for… | ||
| CVE-2023-44420 | Hig | 0.57 | 8.8 | 0.01 | May 3, 2024 | D-Link DIR-X3260 prog.cgi Incorrect Implementation of Authentication Algorithm Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-X3260 routers. Authentication is not required… | ||
| CVE-2023-34282 | Hig | 0.57 | 8.8 | 0.01 | May 3, 2024 | D-Link DIR-2150 HNAP Incorrect Implementation of Authentication Algorithm Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-2150 routers. Authentication is not required to… | ||
| CVE-2023-34274 | Hig | 0.57 | 8.8 | 0.01 | May 3, 2024 | D-Link DIR-2150 LoginPassword Incorrect Implementation of Authentication Algorithm Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-2150 routers. Authentication is not… | ||
| CVE-2023-31211 | Hig | 0.57 | 8.8 | 0.01 | Jan 12, 2024 | Insufficient authentication flow in Checkmk before 2.2.0p18, 2.1.0p38 and 2.0.0p39 allows attacker to use locked credentials | ||
| CVE-2022-39366 | Cri | 0.57 | 9.9 | 0.01 | Oct 28, 2022 | DataHub is an open-source metadata platform. Prior to version 0.8.45, the `StatelessTokenService` of the DataHub metadata service (GMS) does not verify the signature of JWT tokens. This allows an attacker to connect to DataHub instances as any user if Metadata Service… | ||
| CVE-2020-15632 | Hig | 0.57 | 8.8 | 0.03 | Jul 23, 2020 | This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-842 3.13B05 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of HNAP GetCAPTCHAsetting… | ||
| CVE-2025-53782 | Hig | 0.55 | 8.4 | 0.00 | Oct 14, 2025 | Incorrect implementation of authentication algorithm in Microsoft Exchange Server allows an unauthorized attacker to elevate privileges locally. | ||
| CVE-2026-28446 | Cri | 0.54 | 9.4 | 0.01 | Mar 5, 2026 | OpenClaw versions prior to 2026.2.1 with the voice-call extension installed and enabled contain an authentication bypass vulnerability in inbound allowlist policy validation that accepts empty caller IDs and uses suffix-based matching instead of strict equality. Remote attackers… | ||
| CVE-2025-14510 | Hig | 0.53 | 8.1 | 0.00 | Jan 16, 2026 | Incorrect Implementation of Authentication Algorithm vulnerability in ABB ABB Ability OPTIMAX.This issue affects ABB Ability OPTIMAX: 6.1, 6.2, from 6.3.0 before 6.3.1-251120, from 6.4.0 before 6.4.1-251120. | ||
| CVE-2025-44557 | Hig | 0.53 | 8.1 | 0.00 | Jun 27, 2025 | A state machine transition flaw in the Bluetooth Low Energy (BLE) stack of Cypress PSoC4 v3.66 allows attackers to bypass the pairing process and authentication via a crafted pairing_failed packet. | ||
| CVE-2021-21902 | Hig | 0.53 | 8.1 | 0.02 | Dec 22, 2021 | An authentication bypass vulnerability exists in the CMA run_server_6877 functionality of Garrett Metal Detectors iC Module CMA Version 5.0. A properly-timed network connection can lead to authentication bypass via session hijacking. An attacker can send a sequence of requests… |
- risk 0.58cvss 10.0epss 0.05
The WP Directory Kit plugin for WordPress is vulnerable to authentication bypass in all versions up to, and including, 1.4.4 due to incorrect implementation of the authentication algorithm in the "wdk_generate_auto_login_link" function. This is due to the feature using a…
- risk 0.58cvss 8.8epss 0.07
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DAP-1330 1.10B01 BETA Wi-Fi range extenders. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP login…
- risk 0.57cvss 8.8epss 0.01
Incorrect implementation of authentication algorithm in ASP.NET Core allows an authorized attacker to elevate privileges over a network.
- risk 0.57cvss 9.8epss 0.01
CoreDNS is a DNS server written in Go. In versions prior to 1.14.3, the gRPC, QUIC, DoH, and DoH3 transport implementations incorrectly handle TSIG authentication. For gRPC and QUIC, the server checks whether the TSIG key name exists in the configuration but never calls…
- risk 0.57cvss 8.8epss 0.01
In adbd_tls_verify_cert of auth.cpp, there is a possible bypass of wireless ADB mutual authentication due to a logic error in the code. This could lead to remote (proximal/adjacent) code execution as the shell user with no additional execution privileges needed. User interaction…
- risk 0.57cvss 8.8epss 0.00
Incorrect Implementation of Authentication Algorithm vulnerability in ABB WebPro SNMP Card PowerValue, ABB WebPro SNMP Card PowerValue UL.This issue affects WebPro SNMP Card PowerValue: through 1.1.8.K; WebPro SNMP Card PowerValue UL: through 1.1.8.K.
- risk 0.57cvss 9.9epss 0.00
Mattermost versions 11.0.x <= 11.0.2, 10.12.x <= 10.12.1, 10.11.x <= 10.11.4, 10.5.x <= 10.5.12 fail to to verify that the token used during the code exchange originates from the same authentication flow, which allows an authenticated user to perform account takeover via a…
- risk 0.57cvss 9.9epss 0.00
Mattermost versions 10.12.x <= 10.12.1, 10.11.x <= 10.11.4, 10.5.x <= 10.5.12, 11.0.x <= 11.0.3 fail to properly validate OAuth state tokens during OpenID Connect authentication which allows an authenticated attacker with team creation privileges to take over a user account via…
- risk 0.57cvss 8.8epss 0.00
In smp_proc_rand of smp_act.cc, there is a possible authentication bypass during legacy BLE pairing due to incorrect implementation of a protocol. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for…
- risk 0.57cvss 8.8epss 0.01
D-Link DIR-X3260 prog.cgi Incorrect Implementation of Authentication Algorithm Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-X3260 routers. Authentication is not required…
- risk 0.57cvss 8.8epss 0.01
D-Link DIR-2150 HNAP Incorrect Implementation of Authentication Algorithm Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-2150 routers. Authentication is not required to…
- risk 0.57cvss 8.8epss 0.01
D-Link DIR-2150 LoginPassword Incorrect Implementation of Authentication Algorithm Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-2150 routers. Authentication is not…
- risk 0.57cvss 8.8epss 0.01
Insufficient authentication flow in Checkmk before 2.2.0p18, 2.1.0p38 and 2.0.0p39 allows attacker to use locked credentials
- risk 0.57cvss 9.9epss 0.01
DataHub is an open-source metadata platform. Prior to version 0.8.45, the `StatelessTokenService` of the DataHub metadata service (GMS) does not verify the signature of JWT tokens. This allows an attacker to connect to DataHub instances as any user if Metadata Service…
- risk 0.57cvss 8.8epss 0.03
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-842 3.13B05 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of HNAP GetCAPTCHAsetting…
- risk 0.55cvss 8.4epss 0.00
Incorrect implementation of authentication algorithm in Microsoft Exchange Server allows an unauthorized attacker to elevate privileges locally.
- risk 0.54cvss 9.4epss 0.01
OpenClaw versions prior to 2026.2.1 with the voice-call extension installed and enabled contain an authentication bypass vulnerability in inbound allowlist policy validation that accepts empty caller IDs and uses suffix-based matching instead of strict equality. Remote attackers…
- risk 0.53cvss 8.1epss 0.00
Incorrect Implementation of Authentication Algorithm vulnerability in ABB ABB Ability OPTIMAX.This issue affects ABB Ability OPTIMAX: 6.1, 6.2, from 6.3.0 before 6.3.1-251120, from 6.4.0 before 6.4.1-251120.
- risk 0.53cvss 8.1epss 0.00
A state machine transition flaw in the Bluetooth Low Energy (BLE) stack of Cypress PSoC4 v3.66 allows attackers to bypass the pairing process and authentication via a crafted pairing_failed packet.
- risk 0.53cvss 8.1epss 0.02
An authentication bypass vulnerability exists in the CMA run_server_6877 functionality of Garrett Metal Detectors iC Module CMA Version 5.0. A properly-timed network connection can lead to authentication bypass via session hijacking. An attacker can send a sequence of requests…