VYPR

CWE-303

Incorrect Implementation of Authentication Algorithm

BaseDraft

Description

The requirements for the product dictate the use of an established authentication algorithm, but the implementation of the algorithm is incorrect.

This incorrect implementation may allow authentication to be bypassed.

Hierarchy (View 1000)

Parents

Children

Related attack patterns (CAPEC)

CAPEC-90

CVEs mapped to this weakness (101)

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  • CVE-2016-9463HigMar 28, 2017
    risk 0.53cvss 8.1epss 0.04

    Nextcloud Server before 9.0.54 and 10.0.1 & ownCloud Server before 9.1.2, 9.0.6, and 8.2.9 suffer from SMB User Authentication Bypass. Nextcloud/ownCloud include an optional and not by default enabled SMB authentication component that allows authenticating users against an SMB…

  • CVE-2026-10050CriAug 4, 2026
    risk 0.52cvss 9.1epss 0.00

    In Eclipse Jetty, the Digest authentication server-side component uses ISO-8859-1 to encode the password as bytes. This was done because the initial specification for HTTP did not specify explicitly a charset, and it was assumed to be ISO-8859-1 for historical reasons. If…

  • CVE-2026-50627CriJun 12, 2026
    risk 0.52cvss 9.1epss 0.00

    The JwtAccessTokenValidator class in Apache CXF fails to validate the 'aud' (Audience) claims of incoming JWT access tokens. This allows a JWT issued for one Resource Server to be successfully replayed against a completely different Resource Server, leading to Token…

  • CVE-2026-33557CriApr 20, 2026
    risk 0.52cvss 9.1epss 0.01

    A possible security vulnerability has been identified in Apache Kafka. By default, the broker property `sasl.oauthbearer.jwt.validator.class` is set to `org.apache.kafka.common.security.oauthbearer.DefaultJwtValidator`. It accepts any JWT token without validating…

  • CVE-2026-49467HigAug 12, 2026
    risk 0.50cvss 8.8epss 0.00

    Pingvin Share X is a secure and easy self-hosted file sharing platform. A vulnerability in versions 1.5.0 through 1.18.0 allow an attacker to bypass password verification when managing Time-based One-Time Password (TOTP) settings. The root cause is a missing `await` keyword on…

  • CVE-2026-41053HigJun 30, 2026
    risk 0.50cvss 8.8epss 0.00

    Incorrect authentication caching in the team member ship expansion of the Rancher Github authentication provider caused it granting principal access to any logged in user, in 2.13 before 2.13.6 and 2.14 before 2.14.2.

  • CVE-2021-32691HigJun 16, 2021
    risk 0.50cvss 8.8epss 0.01

    Apollos Apps is an open source platform for launching church-related apps. In Apollos Apps versions prior to 2.20.0, new user registrations are able to access anyone's account by only knowing their basic profile information (name, birthday, gender, etc). This includes all app…

  • CVE-2025-43727HigOct 7, 2025
    risk 0.49cvss 7.5epss 0.00

    Dell PowerProtect Data Domain with Data Domain Operating System (DD OS) of Feature Release versions 7.7.1.0 through 8.1.0.10, LTS2024 release Versions 7.13.1.0 through 7.13.1.25, LTS 2023 release versions 7.10.1.0 through 7.10.1.50, contain an incorrect Implementation of…

  • CVE-2025-23046HigFeb 25, 2025
    risk 0.49cvss 7.5epss 0.00

    GLPI is a free asset and IT management software package. Starting in version 9.5.0 and prior to version 10.0.18, if a "Mail servers" authentication provider is configured to use an Oauth connection provided by the OauthIMAP plugin, anyone can connect to GLPI using a user name on…

  • CVE-2024-26248HigApr 9, 2024
    risk 0.49cvss 7.5epss 0.01

    Windows Kerberos Elevation of Privilege Vulnerability

  • CVE-2024-3046HigApr 9, 2024
    risk 0.49cvss 7.5epss 0.01

    In Eclipse Kura LogServlet component included in versions 5.0.0 to 5.4.1, a specifically crafted request to the servlet can allow an unauthenticated user to retrieve the device logs. Also, downloaded logs may be used by an attacker to perform privilege escalation by using the…

  • CVE-2021-42146HigJan 24, 2024
    risk 0.49cvss 7.5epss 0.01

    An issue was discovered in Contiki-NG tinyDTLS through master branch 53a0d97. DTLS servers allow remote attackers to reuse the same epoch number within two times the TCP maximum segment lifetime, which is prohibited in RFC6347. This vulnerability allows remote attackers to…

  • CVE-2023-5627HigNov 1, 2023
    risk 0.49cvss 7.5epss 0.00

    A vulnerability has been identified in NPort 6000 Series, making the authentication mechanism vulnerable. This vulnerability arises from the incorrect implementation of sensitive information protection, potentially allowing malicious users to gain unauthorized access to the web…

  • CVE-2022-33736HigJul 12, 2022
    risk 0.49cvss 7.5epss 0.01

    A vulnerability has been identified in Opcenter Quality V13.1 (All versions < V13.1.20220624), Opcenter Quality V13.2 (All versions < V13.2.20220624). The affected applications do not properly validate login information during authentication. This could lead to denial of service…

  • CVE-2026-43640HigMay 11, 2026
    risk 0.46cvss 8.1epss 0.01

    Bitwarden Server prior to v2026.4.1 does not require master-password re-authentication when retrieving or rotating an organization's SCIM API key, allowing an authenticated user with SCIM management privileges to obtain the key using only a valid session.

  • CVE-2020-37094HigFeb 3, 2026
    risk 0.46cvss 8.1epss 0.00

    EspoCRM 5.7.0 prior to 5.9.0 contains an authentication token reuse vulnerability that allows authenticated attackers to bypass two-factor authentication by exploiting token-to-password-hash mapping in application/Espo/Core/Utils/Authentication/Espo.php. Attackers can obtain an…

  • CVE-2025-57808HigSep 2, 2025
    risk 0.46cvss 8.1epss 0.02

    ESPHome is a system to control microcontrollers remotely through Home Automation systems. In version 2025.8.0 in the ESP-IDF platform, ESPHome's web_server authentication check can pass incorrectly when the client-supplied base64-encoded Authorization value is empty or is a…

  • CVE-2024-8642HigSep 11, 2024
    risk 0.46cvss 8.1epss 0.00

    In Eclipse Dataspace Components, from version 0.5.0 and before version 0.9.0, the ConsumerPullTransferTokenValidationApiController does not check for token validity (expiry, not-before, issuance date), which can allow an attacker to bypass the check for token expiration. The…

  • CVE-2023-32152MedMay 3, 2024
    risk 0.44cvss 6.5epss 0.29

    D-Link DIR-2640 HNAP LoginPassword Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-2640 routers. Authentication is not required to exploit this vulnerability. The specific…

  • CVE-2023-32148MedMay 3, 2024
    risk 0.44cvss 6.5epss 0.29

    D-Link DIR-2640 HNAP PrivateLogin Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-2640 routers. Authentication is not required to exploit this vulnerability. The specific…