Common Weakness Enumeration

CWE-303

Allowed

Incorrect Implementation of Authentication Algorithm

Abstraction: Base · Status: Draft

API response cwe.mitre.org

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

199 vulnerabilities reference this CWE, most recent first.

CVE-2025-53782 (GCVE-0-2025-53782)

Vulnerability from cvelistv5 – Published: 2025-10-14 17:00 – Updated: 2026-02-22 17:24
VLAI
Title
Microsoft Exchange Server Elevation of Privilege Vulnerability
Summary
Incorrect implementation of authentication algorithm in Microsoft Exchange Server allows an unauthorized attacker to elevate privileges locally.
Severity
8.4 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-15 15:57 UTC
CWE
  • CWE-303 - Incorrect Implementation of Authentication Algorithm
Assigner
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 3957 records in the last 180 days details
References
Impacted products
Date Public
2025-10-14 14:00
Show details on NVD website
To clipboard 

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CVE-2025-48994 (GCVE-0-2025-48994)

Vulnerability from cvelistv5 – Published: 2025-06-02 16:22 – Updated: 2025-06-02 16:30
VLAI
Title
SignXML's signature verification with HMAC is vulnerable to an algorithm confusion attack
Summary
SignXML is an implementation of the W3C XML Signature standard in Python. When verifying signatures with X509 certificate validation turned off and HMAC shared secret set (`signxml.XMLVerifier.verify(require_x509=False, hmac_key=...`), versions of SignXML prior to 4.0.4 are vulnerable to a potential algorithm confusion attack. Unless the user explicitly limits the expected signature algorithms using the `signxml.XMLVerifier.verify(expect_config=...)` setting, an attacker may supply a signature unexpectedly signed with a key other than the provided HMAC key, using a different (asymmetric key) signature algorithm. Starting with SignXML 4.0.4, specifying `hmac_key` causes the set of accepted signature algorithms to be restricted to HMAC only, if not already restricted by the user.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-02 16:30 UTC
CWE
  • CWE-303 - Incorrect Implementation of Authentication Algorithm
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7761 records in the last 180 days details
References
Impacted products
Vendor Product Version
XML-Security signxml Affected: < 4.0.4
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-43856 (GCVE-0-2025-43856)

Vulnerability from cvelistv5 – Published: 2025-07-11 17:10 – Updated: 2025-07-11 18:13
VLAI
Title
immich allows account hijacking through oauth2
Summary
immich is a high performance self-hosted photo and video management solution. Prior to 1.132.0, immich is vulnerable to account hijacking through oauth2, because the state parameter is not being checked. The oauth2 state parameter is similar to a csrf token, so when the user starts the login flow this unpredictable token is generated and somehow saved in the browser session and passed to the identity provider, which will return the state parameter when redirecting the user back to immich. Before the user is logged in that parameter needs to be verified to make sure the login was actively initiated by the user in this browser session. On it's own, this wouldn't be too bad, but when immich uses the /user-settings page as a redirect_uri, it will automatically link the accounts if the user was already logged in. This means that if someone has an immich instance with a public oauth provider (like google), an attacker can - for example - embed a hidden iframe in a webpage or even just send the victim a forged oauth login url with a code that logs the victim into the attackers oauth account and redirects back to immich and links the accounts. After this, the attacker can log into the victims account using their own oauth credentials. This vulnerability is fixed in 1.132.0.
Severity
7.3 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-07-11 18:12 UTC
CWE
  • CWE-303 - Incorrect Implementation of Authentication Algorithm
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7761 records in the last 180 days details
References
Impacted products
Vendor Product Version
immich-app immich Affected: < 1.132.0
Create a notification for this product.
Show details on NVD website
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CVE-2025-43727 (GCVE-0-2025-43727)

Vulnerability from cvelistv5 – Published: 2025-10-07 19:26 – Updated: 2025-10-08 15:44
VLAI
Summary
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 Authentication Algorithm vulnerability in the RestAPI. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Unauthorized access.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-08 15:44 UTC
CWE
  • CWE-303 - Incorrect Implementation of Authentication Algorithm
Assigner
dell CNA under the mitre root
CNA scorecard C 70/100 over 449 records in the last 180 days details
References
Impacted products
Date Public
2025-10-06 17:00
Show details on NVD website
To clipboard 

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CVE-2025-23046 (GCVE-0-2025-23046)

Vulnerability from cvelistv5 – Published: 2025-02-25 17:48 – Updated: 2025-02-25 19:30
VLAI
Title
GLPI vulnerable to unauthorized authentication by email using the OAuthIMAP plugin
Summary
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 which an Oauth authorization has already been established. Version 10.0.18 contains a patch. As a workaround, one may disable any "Mail servers" authentication provider configured to use an Oauth connection provided by the OauthIMAP plugin.
Severity
6.3 (Medium)
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-25 19:29 UTC
CWE
  • CWE-303 - Incorrect Implementation of Authentication Algorithm
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7761 records in the last 180 days details
References
Impacted products
Vendor Product Version
glpi-project glpi Affected: >= 9.5.0, < 10.0.18
Create a notification for this product.
Show details on NVD website
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CVE-2025-21311 (GCVE-0-2025-21311)

Vulnerability from cvelistv5 – Published: 2025-01-14 18:04 – Updated: 2026-06-09 18:30
VLAI
Title
Windows NTLM V1 Elevation of Privilege Vulnerability
Summary
Windows NTLM V1 Elevation of Privilege Vulnerability
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-14 20:58 UTC
CWE
  • CWE-303 - Incorrect Implementation of Authentication Algorithm
Assigner
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 3957 records in the last 180 days details
References
Impacted products
Vendor Product Version
Microsoft Windows 11 Version 24H2 Affected: 10.0.26100.0 , < 10.0.26100.2894 (custom)
Create a notification for this product.
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) Affected: 10.0.25398.0 , < 10.0.25398.1369 (custom)
Create a notification for this product.
Microsoft Windows Server 2025 Affected: 10.0.26100.0 , < 10.0.26100.2894 (custom)
Create a notification for this product.
Microsoft Windows Server 2025 (Server Core installation) Affected: 10.0.26100.0 , < 10.0.26100.2894 (custom)
Create a notification for this product.
Date Public
2025-01-14 08:00
Show details on NVD website
To clipboard 

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CVE-2025-14510 (GCVE-0-2025-14510)

Vulnerability from cvelistv5 – Published: 2026-01-16 13:02 – Updated: 2026-01-16 14:08
VLAI
Title
ABB Ability OPTIMAX Authentication Bypass in Single-Sign On
Summary
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.
Severity
8.1 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
9.2 (Critical)
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-16 14:08 UTC
CWE
  • CWE-303 - Incorrect Implementation of Authentication Algorithm
Assigner
ABB CNA under the icscert root
CNA scorecard C 68/100 over 16 records in the last 180 days details
References
Impacted products
Vendor Product Version
ABB ABB Ability OPTIMAX Affected: 6.1 (custom)
Affected: 6.2 (custom)
Affected: 6.3.0 , < 6.3.1-251120 (custom)
Affected: 6.4.0 , < 6.4.1-251120 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-14273 (GCVE-0-2025-14273)

Vulnerability from cvelistv5 – Published: 2025-12-22 11:24 – Updated: 2025-12-22 12:59
VLAI
Title
Mattermost Jira plugin user spoofing enables Jira request forgery.
Summary
Mattermost versions 11.1.x <= 11.1.0, 11.0.x <= 11.0.5, 10.12.x <= 10.12.3, 10.11.x <= 10.11.7 with the Jira plugin enabled and Mattermost Jira plugin versions <=4.4.0 fail to enforce authentication and issue-key path restrictions in the Jira plugin, which allows an unauthenticated attacker who knows a valid user ID to issue authenticated GET and POST requests to the Jira server via crafted plugin payloads that spoof the user ID and inject arbitrary issue key paths. Mattermost Advisory ID: MMSA-2025-00555
Severity
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-22 12:58 UTC
CWE
  • CWE-303 - Incorrect Implementation of Authentication Algorithm
Assigner
Mattermost CNA under the mitre root
CNA scorecard B 80/100 over 122 records in the last 180 days details
References
Impacted products
Vendor Product Version
Mattermost Mattermost Affected: 11.1.0 , ≤ 11.1.0 (semver)
Affected: 11.0.0 , ≤ 11.0.5 (semver)
Affected: 10.12.0 , ≤ 10.12.3 (semver)
Affected: 10.11.0 , ≤ 10.11.7 (semver)
Unaffected: 11.2.0
Unaffected: 11.1.1
Unaffected: 11.0.6
Unaffected: 10.12.4
Unaffected: 10.11.8
Create a notification for this product.
Credits
Juho Forsén
Show details on NVD website
To clipboard 

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CVE-2025-13390 (GCVE-0-2025-13390)

Vulnerability from cvelistv5 – Published: 2025-12-03 13:52 – Updated: 2025-12-08 15:59
VLAI
Title
WP Directory Kit <= 1.4.4 - Authentication Bypass to Privilege Escalation via Account Takeover
Summary
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 cryptographically weak token generation mechanism. This makes it possible for unauthenticated attackers to gain administrative access and achieve full site takeover via the auto-login endpoint with a predictable token.
Severity
10 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-08 15:59 UTC
CWE
  • CWE-303 - Incorrect Implementation of Authentication Algorithm
Assigner
Wordfence CNA under the mitre root
CNA scorecard C 65/100 over 2287 records in the last 180 days details
References
Impacted products
Vendor Product Version
listingthemes WP Directory Kit Affected: 1.4.0 , ≤ 1.4.4 (semver)
Create a notification for this product.
Credits
Ryan Kozak
Show details on NVD website
To clipboard 

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CVE-2025-12421 (GCVE-0-2025-12421)

Vulnerability from cvelistv5 – Published: 2025-11-27 17:47 – Updated: 2026-02-26 16:07
VLAI
Title
Account Takeover via Code Exchange Endpoint
Summary
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 specially crafted email address used when switching authentication methods and sending a request to the /users/login/sso/code-exchange endpoint. The vulnerability requires ExperimentalEnableAuthenticationTransfer to be enabled (default: enabled) and RequireEmailVerification to be disabled (default: disabled).
Severity
9.9 (Critical)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-02 04:55 UTC
CWE
  • CWE-303 - Incorrect Implementation of Authentication Algorithm
Assigner
Mattermost CNA under the mitre root
CNA scorecard B 80/100 over 122 records in the last 180 days details
References
Impacted products
Vendor Product Version
Mattermost Mattermost Affected: 11.0.0 , ≤ 11.0.2 (semver)
Affected: 10.12.0 , ≤ 10.12.1 (semver)
Affected: 10.11.0 , ≤ 10.11.4 (semver)
Affected: 10.5.0 , ≤ 10.5.12 (semver)
Unaffected: 11.1.0
Unaffected: 11.0.3
Unaffected: 10.12.2
Unaffected: 10.11.5
Unaffected: 10.5.13
Create a notification for this product.
Credits
daw10
Show details on NVD website
To clipboard 

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No mitigation information available for this CWE.

CAPEC-90: Reflection Attack in Authentication Protocol

An adversary can abuse an authentication protocol susceptible to reflection attack in order to defeat it. Doing so allows the adversary illegitimate access to the target system, without possessing the requisite credentials. Reflection attacks are of great concern to authentication protocols that rely on a challenge-handshake or similar mechanism. An adversary can impersonate a legitimate user and can gain illegitimate access to the system by successfully mounting a reflection attack during authentication.

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