Common Weakness Enumeration
CWE-287
DiscouragedImproper Authentication
Abstraction: Class · Status: Draft
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
5978 vulnerabilities reference this CWE, most recent first.
CVE-2021-4073 (GCVE-0-2021-4073)
Vulnerability from cvelistv5 – Published: 2021-12-14 15:50 – Updated: 2025-02-14 17:48
VLAI
EPSS
VEX
Title
RegistrationMagic <= 5.0.1.7 Authentication Bypass
Summary
The RegistrationMagic WordPress plugin made it possible for unauthenticated users to log in as any site user, including administrators, if they knew a valid username on the site due to missing identity validation in the social login function social_login_using_email() of the plugin. This affects versions equal to, and less than, 5.0.1.7.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-287 - Improper Authentication
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.wordfence.com/vulnerability-advisorie… | x_refsource_MISC |
| https://plugins.trac.wordpress.org/changeset/2635… | x_refsource_MISC |
| https://www.wordfence.com/blog/2021/12/authentica… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| RegistrationMagic | RegistrationMagic |
Affected:
5.0.1.7 , ≤ 5.0.1.7
(custom)
|
Date Public
2021-12-08 00:00
Credits
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CVE-2021-3827 (GCVE-0-2021-3827)
Vulnerability from cvelistv5 – Published: 2022-08-23 15:52 – Updated: 2024-08-03 17:09
VLAI
EPSS
VEX
Summary
A flaw was found in keycloak, where the default ECP binding flow allows other authentication flows to be bypassed. By exploiting this behavior, an attacker can bypass the MFA authentication by sending a SOAP request with an AuthnRequest and Authorization header with the user's credentials. The highest threat from this vulnerability is to confidentiality and integrity.
Severity
No CVSS data available.
CWE
- CWE-287 - - Improper Authentication
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/keycloak/keycloak/security/adv… | x_refsource_MISC |
| https://github.com/keycloak/keycloak/commit/44000… | x_refsource_MISC |
| https://bugzilla.redhat.com/show_bug.cgi?id=2007512 | x_refsource_MISC |
| https://access.redhat.com/security/cve/CVE-2021-3827 | x_refsource_MISC |
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CVE-2021-3784 (GCVE-0-2021-3784)
Vulnerability from cvelistv5 – Published: 2023-10-04 15:00 – Updated: 2025-06-17 15:03
VLAI
EPSS
VEX
Title
Garuda Linux Improper Authorization
Summary
Garuda Linux performs an insecure user creation and authentication that allows any user to impersonate the created account. By creating users from the 'Garuda settings manager', an insecure procedure is performed that keeps the created user without an assigned password during some seconds. This could allow a potential attacker to exploit this vulnerability in order to authenticate without knowing the password.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-287 - Improper Authentication
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Garuda Linux | Garuda Linux |
Affected:
all versions
|
Date Public
2021-10-28 10:00
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CVE-2021-3652 (GCVE-0-2021-3652)
Vulnerability from cvelistv5 – Published: 2022-04-18 00:00 – Updated: 2025-11-03 20:33
VLAI
EPSS
VEX
Summary
A flaw was found in 389-ds-base. If an asterisk is imported as password hashes, either accidentally or maliciously, then instead of being inactive, any password will successfully match during authentication. This flaw allows an attacker to successfully authenticate as a user whose password was disabled.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | 389-ds-base |
Affected:
389-ds-base 2.0.7
|
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CVE-2021-3632 (GCVE-0-2021-3632)
Vulnerability from cvelistv5 – Published: 2022-08-26 15:25 – Updated: 2024-08-03 17:01
VLAI
EPSS
VEX
Summary
A flaw was found in Keycloak. This vulnerability allows anyone to register a new security device or key when there is not a device already registered for any user by using the WebAuthn password-less login flow.
Severity
No CVSS data available.
CWE
- CWE-287 - - Improper Authentication
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://issues.redhat.com/browse/KEYCLOAK-18500 | x_refsource_MISC |
| https://bugzilla.redhat.com/show_bug.cgi?id=1978196 | x_refsource_MISC |
| https://access.redhat.com/security/cve/CVE-2021-3632 | x_refsource_MISC |
| https://github.com/keycloak/keycloak/pull/8203 | x_refsource_MISC |
| https://github.com/keycloak/keycloak/commit/65480… | x_refsource_MISC |
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CVE-2021-3519 (GCVE-0-2021-3519)
Vulnerability from cvelistv5 – Published: 2021-11-12 22:05 – Updated: 2024-08-03 17:01
VLAI
EPSS
VEX
Summary
A vulnerability was reported in some Lenovo Desktop models that could allow unauthorized access to the boot menu, when the "BIOS Password At Boot Device List" BIOS setting is Yes.
Severity
6.4 (Medium)
CWE
- CWE-287 - Improper Authentication
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://support.lenovo.com/us/en/product_security… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Lenovo | Desktop BIOS |
Affected:
various
|
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CVE-2021-3458 (GCVE-0-2021-3458)
Vulnerability from cvelistv5 – Published: 2021-08-17 16:25 – Updated: 2024-08-03 16:53
VLAI
EPSS
VEX
Summary
The Motorola MM1000 device configuration portal can be accessed without authentication, which could allow adapter settings to be modified.
Severity
6.1 (Medium)
CWE
- CWE-287 - Improper Authentication
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://motorolamentor.zendesk.com/hc/en-us/artic… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Motorola | MM1000 MoCA Adapter |
Affected:
unspecified , ≤ 1.0.0.8
(custom)
|
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CVE-2021-3424 (GCVE-0-2021-3424)
Vulnerability from cvelistv5 – Published: 2021-06-01 18:43 – Updated: 2024-08-03 16:53
VLAI
EPSS
VEX
Summary
A flaw was found in keycloak as shipped in Red Hat Single Sign-On 7.4 where IDN homograph attacks are possible. A malicious user can register himself with a name already registered and trick admin to grant him extra privileges.
Severity
No CVSS data available.
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1933320 | x_refsource_MISC |
Impacted products
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CVE-2021-3046 (GCVE-0-2021-3046)
Vulnerability from cvelistv5 – Published: 2021-08-11 17:10 – Updated: 2024-09-17 02:47
VLAI
EPSS
VEX
Title
PAN-OS: Improper SAML Authentication Vulnerability in GlobalProtect Portal
Summary
An improper authentication vulnerability exists in Palo Alto Networks PAN-OS software that enables a SAML authenticated attacker to impersonate any other user in the GlobalProtect Portal and GlobalProtect Gateway when they are configured to use SAML authentication. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.19; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14; PAN-OS 9.1 versions earlier than PAN-OS 9.1.9; PAN-OS 10.0 versions earlier than PAN-OS 10.0.5. PAN-OS 10.1 versions are not impacted.
Severity
6.8 (Medium)
CWE
- CWE-287 - Improper Authentication
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://security.paloaltonetworks.com/CVE-2021-3046 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Palo Alto Networks | PAN-OS |
Unaffected:
10.1.*
Affected: 8.1 , < 8.1.19 (custom) Affected: 9.0 , < 9.0.14 (custom) Affected: 9.1 , < 9.1.9 (custom) Affected: 10.0 , < 10.0.5 (custom) |
Date Public
2021-08-11 00:00
Credits
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CVE-2021-1571 (GCVE-0-2021-1571)
Vulnerability from cvelistv5 – Published: 2021-06-16 17:45 – Updated: 2024-11-07 22:08
VLAI
EPSS
VEX
Title
Cisco Small Business 220 Series Smart Switches Vulnerabilities
Summary
Multiple vulnerabilities in the web-based management interface of Cisco Small Business 220 Series Smart Switches could allow an attacker to do the following: Hijack a user session Execute arbitrary commands as a root user on the underlying operating system Conduct a cross-site scripting (XSS) attack Conduct an HTML injection attack For more information about these vulnerabilities, see the Details section of this advisory.
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Small Business 220 Series Smart Plus Switches |
Affected:
n/a
|
Date Public
2021-06-16 00:00
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}
]
}
]
},
"references": {
"reference_data": [
{
"name": "20210616 Cisco Small Business 220 Series Smart Switches Vulnerabilities",
"refsource": "CISCO",
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ciscosb-multivulns-Wwyb7s5E"
}
]
},
"source": {
"advisory": "cisco-sa-ciscosb-multivulns-Wwyb7s5E",
"defect": [
[
"CSCvx57830",
"CSCvx57925",
"CSCvx57935"
]
],
"discovery": "INTERNAL"
}
}
}
},
"cveMetadata": {
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"assignerShortName": "cisco",
"cveId": "CVE-2021-1571",
"datePublished": "2021-06-16T17:45:12.098Z",
"dateReserved": "2020-11-13T00:00:00.000Z",
"dateUpdated": "2024-11-07T22:08:40.015Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
Mitigation
Architecture and Design
Strategy: Libraries or Frameworks
Use an authentication framework or library such as the OWASP ESAPI Authentication feature.
CAPEC-114: Authentication Abuse
An attacker obtains unauthorized access to an application, service or device either through knowledge of the inherent weaknesses of an authentication mechanism, or by exploiting a flaw in the authentication scheme's implementation. In such an attack an authentication mechanism is functioning but a carefully controlled sequence of events causes the mechanism to grant access to the attacker.
CAPEC-115: Authentication Bypass
An attacker gains access to application, service, or device with the privileges of an authorized or privileged user by evading or circumventing an authentication mechanism. The attacker is therefore able to access protected data without authentication ever having taken place.
CAPEC-151: Identity Spoofing
Identity Spoofing refers to the action of assuming (i.e., taking on) the identity of some other entity (human or non-human) and then using that identity to accomplish a goal. An adversary may craft messages that appear to come from a different principle or use stolen / spoofed authentication credentials.
CAPEC-194: Fake the Source of Data
An adversary takes advantage of improper authentication to provide data or services under a falsified identity. The purpose of using the falsified identity may be to prevent traceability of the provided data or to assume the rights granted to another individual. One of the simplest forms of this attack would be the creation of an email message with a modified "From" field in order to appear that the message was sent from someone other than the actual sender. The root of the attack (in this case the email system) fails to properly authenticate the source and this results in the reader incorrectly performing the instructed action. Results of the attack vary depending on the details of the attack, but common results include privilege escalation, obfuscation of other attacks, and data corruption/manipulation.
CAPEC-22: Exploiting Trust in Client
An attack of this type exploits vulnerabilities in client/server communication channel authentication and data integrity. It leverages the implicit trust a server places in the client, or more importantly, that which the server believes is the client. An attacker executes this type of attack by communicating directly with the server where the server believes it is communicating only with a valid client. There are numerous variations of this type of attack.
CAPEC-57: Utilizing REST's Trust in the System Resource to Obtain Sensitive Data
This attack utilizes a REST(REpresentational State Transfer)-style applications' trust in the system resources and environment to obtain sensitive data once SSL is terminated.
CAPEC-593: Session Hijacking
This type of attack involves an adversary that exploits weaknesses in an application's use of sessions in performing authentication. The adversary is able to steal or manipulate an active session and use it to gain unathorized access to the application.
CAPEC-633: Token Impersonation
An adversary exploits a weakness in authentication to create an access token (or equivalent) that impersonates a different entity, and then associates a process/thread to that that impersonated token. This action causes a downstream user to make a decision or take action that is based on the assumed identity, and not the response that blocks the adversary.
CAPEC-650: Upload a Web Shell to a Web Server
By exploiting insufficient permissions, it is possible to upload a web shell to a web server in such a way that it can be executed remotely. This shell can have various capabilities, thereby acting as a "gateway" to the underlying web server. The shell might execute at the higher permission level of the web server, providing the ability the execute malicious code at elevated levels.
CAPEC-94: Adversary in the Middle (AiTM)
An adversary targets the communication between two components (typically client and server), in order to alter or obtain data from transactions. A general approach entails the adversary placing themself within the communication channel between the two components.