Common Weakness Enumeration
CWE-307
AllowedImproper Restriction of Excessive Authentication Attempts
Abstraction: Base · Status: Draft
The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame.
900 vulnerabilities reference this CWE, most recent first.
CVE-2023-54347 (GCVE-0-2023-54347)
Vulnerability from cvelistv5 – Published: 2026-05-05 11:24 – Updated: 2026-05-06 14:08
VLAI
EPSS
VEX
Title
OpenEMR 7.0.1 Authentication Brute Force Mitigation Bypass
Summary
OpenEMR 7.0.1 contains an authentication brute force vulnerability that allows attackers to bypass rate limiting protections by sending repeated login attempts to the main login endpoint. Attackers can submit POST requests with authUser and clearPass parameters to systematically test username and password combinations without account lockout restrictions.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-307 - Improper Restriction of Excessive Authentication Attempts
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/51413 | exploit |
| https://www.open-emr.org/ | product |
| https://github.com/openemr/openemr/archive/refs/t… | product |
| https://www.vulncheck.com/advisories/openemr-auth… | third-party-advisory |
Date Public
2023-04-28 00:00
Credits
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CVE-2023-50326 (GCVE-0-2023-50326)
Vulnerability from cvelistv5 – Published: 2024-02-02 00:01 – Updated: 2024-08-02 22:16
VLAI
EPSS
VEX
Title
IBM PowerSC information Disclosure
Summary
IBM PowerSC 1.3, 2.0, and 2.1 uses an inadequate account lockout setting that could allow a remote attacker to brute force account credentials. IBM X-Force ID: 275107.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-307 - Improper Restriction of Excessive Authentication Attempts
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7113759 | vendor-advisory |
| https://exchange.xforce.ibmcloud.com/vulnerabilit… | vdb-entry |
Impacted products
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CVE-2023-49810 (GCVE-0-2023-49810)
Vulnerability from cvelistv5 – Published: 2024-01-10 15:48 – Updated: 2025-11-04 18:19
VLAI
EPSS
VEX
Summary
A login attempt restriction bypass vulnerability exists in the checkLoginAttempts functionality of WWBN AVideo dev master commit 15fed957fb. A specially crafted HTTP request can lead to captcha bypass, which can be abused by an attacker to brute force user credentials. An attacker can send a series of HTTP requests to trigger this vulnerability.
Severity
7.3 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-307 - Improper Restriction of Excessive Authentication Attempts
Assigner
References
Impacted products
Credits
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CVE-2023-49792 (GCVE-0-2023-49792)
Vulnerability from cvelistv5 – Published: 2023-12-22 16:31 – Updated: 2024-08-27 15:47
VLAI
EPSS
VEX
Title
Bruteforce protection can be bypassed with misconfigured proxy
Summary
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. In Nextcloud Server prior to versions 26.0.9 and 27.1.4; as well as Nextcloud Enterprise Server prior to versions 23.0.12.13, 24.0.12.9, 25.0.13.4, 26.0.9, and 27.1.4; when a (reverse) proxy is configured as trusted proxy the server could be tricked into reading a wrong remote address for an attacker, allowing them executing authentication attempts than intended. Nextcloud Server versions 26.0.9 and 27.1.4 and Nextcloud Enterprise Server versions 23.0.12.13, 24.0.12.9, 25.0.13.4, 26.0.9, and 27.1.4 contain a patch for this issue. No known workarounds are available.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-307 - Improper Restriction of Excessive Authentication Attempts
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/nextcloud/security-advisories/… | x_refsource_CONFIRM |
| https://github.com/nextcloud/server/pull/41526 | x_refsource_MISC |
| https://hackerone.com/reports/2230915 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| nextcloud | security-advisories |
Affected:
>= 23.0.0, < 23.0.12.13
Affected: >= 24.0.0, < 24.0.12.9 Affected: >= 25.0.0, < 25.0.13.4 Affected: >= 26.0.0, < 26.0.9 Affected: >= 27.0.0, < 27.1.4 |
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CVE-2023-49278 (GCVE-0-2023-49278)
Vulnerability from cvelistv5 – Published: 2023-12-12 19:14 – Updated: 2024-10-08 14:33
VLAI
EPSS
VEX
Title
Umbraco CMS brute force exploit can be used to collect valid usernames
Summary
Umbraco is an ASP.NET content management system (CMS). Starting in version 8.0.0 and prior to versions 8.18.10, 10.8.1, and 12.3.4, a brute force exploit can be used to collect valid usernames. Versions 8.18.10, 10.8.1, and 12.3.4 contain a patch for this issue.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/umbraco/Umbraco-CMS/security/a… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| umbraco | Umbraco-CMS |
Affected:
>= 8.0.0, < 8.18.10
Affected: >= 9.0.0-rc001, < 10.8.1 Affected: >= 11.0.0-rc1, < 12.3.4 |
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CVE-2023-48745 (GCVE-0-2023-48745)
Vulnerability from cvelistv5 – Published: 2024-06-04 10:41 – Updated: 2026-04-28 16:08
VLAI
EPSS
VEX
Title
WordPress Captcha Code plugin <= 2.9 - Captcha Bypass vulnerability
Summary
Improper Restriction of Excessive Authentication Attempts vulnerability in WebFactory Ltd Captcha Code allows Functionality Bypass.This issue affects Captcha Code: from n/a through 2.9.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-307 - Improper Restriction of Excessive Authentication Attempts
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/vulnerability/cap… | vdb-entry |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WebFactory Ltd | Captcha Code |
Affected:
n/a , ≤ 2.9
(custom)
|
|
| webfactory | captcha_code |
Affected:
0 , ≤ 2.9
(custom)
cpe:2.3:a:webfactory:captcha_code:*:*:*:*:*:*:*:* |
Credits
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CVE-2023-48318 (GCVE-0-2023-48318)
Vulnerability from cvelistv5 – Published: 2024-06-04 10:26 – Updated: 2026-04-28 16:08
VLAI
EPSS
VEX
Title
WordPress Contact Form Email plugin <= 1.3.41 - Captcha Bypass vulnerability
Summary
Improper Restriction of Excessive Authentication Attempts vulnerability in CodePeople Contact Form Email allows Functionality Bypass.This issue affects Contact Form Email: from n/a through 1.3.41.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-307 - Improper Restriction of Excessive Authentication Attempts
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/vulnerability/con… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CodePeople | Contact Form Email |
Affected:
n/a , ≤ 1.3.41
(custom)
|
Credits
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CVE-2023-48290 (GCVE-0-2023-48290)
Vulnerability from cvelistv5 – Published: 2024-06-04 10:25 – Updated: 2026-04-28 16:08
VLAI
EPSS
VEX
Title
WordPress Form Maker by 10Web plugin <= 1.15.20 - Captcha Bypass Vulnerability vulnerability
Summary
Improper Restriction of Excessive Authentication Attempts vulnerability in 10Web Form Builder Team Form Maker by 10Web allows Functionality Bypass.This issue affects Form Maker by 10Web: from n/a through 1.15.20.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-307 - Improper Restriction of Excessive Authentication Attempts
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/vulnerability/for… | vdb-entry |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| 10Web Form Builder Team | Form Maker by 10Web |
Affected:
n/a , ≤ 1.15.20
(custom)
|
|
| 10web | form_maker |
Affected:
1.0.0 , ≤ 1.15.20
(custom)
cpe:2.3:a:10web:form_maker:1.0.0:*:*:*:*:wordpress:*:* |
Credits
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CVE-2023-48276 (GCVE-0-2023-48276)
Vulnerability from cvelistv5 – Published: 2024-06-04 10:20 – Updated: 2026-04-28 16:08
VLAI
EPSS
VEX
Title
WordPress WP Forms Puzzle Captcha plugin <= 4.1 - Captcha Bypass vulnerability
Summary
Improper Restriction of Excessive Authentication Attempts vulnerability in Nitin Rathod WP Forms Puzzle Captcha allows Functionality Bypass.This issue affects WP Forms Puzzle Captcha: from n/a through 4.1.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-307 - Improper Restriction of Excessive Authentication Attempts
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/vulnerability/wp-… | vdb-entry |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Nitin Rathod | WP Forms Puzzle Captcha |
Affected:
n/a , ≤ 4.1
(custom)
|
|
| nitinrathod | wp_forms_puzzle_captcha |
Affected:
0 , ≤ 4.1
(custom)
cpe:2.3:a:nitinrathod:wp_forms_puzzle_captcha:*:*:*:*:*:wordpress:*:* |
Credits
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CVE-2023-46745 (GCVE-0-2023-46745)
Vulnerability from cvelistv5 – Published: 2023-11-17 21:42 – Updated: 2024-08-29 14:09
VLAI
EPSS
VEX
Title
Rate limiting Bypass on login page in libreNMS
Summary
LibreNMS is an auto-discovering PHP/MySQL/SNMP based network monitoring which includes support for a wide range of network hardware and operating systems. In affected versions the login method has no rate limit. An attacker may be able to leverage this vulnerability to gain access to user accounts. This issue has been addressed in version 23.11.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-307 - Improper Restriction of Excessive Authentication Attempts
Assigner
References
1 reference
| URL | Tags |
|---|---|
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Mitigation
Architecture and Design
- Common protection mechanisms include:
- Disconnecting the user after a small number of failed attempts
- Implementing a timeout
- Locking out a targeted account
- Requiring a computational task on the user's part.
Mitigation MIT-4
Architecture and Design
Strategy: Libraries or Frameworks
- Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid [REF-1482].
- Consider using libraries with authentication capabilities such as OpenSSL or the ESAPI Authenticator. [REF-45]
CAPEC-16: Dictionary-based Password Attack
An attacker tries each of the words in a dictionary as passwords to gain access to the system via some user's account. If the password chosen by the user was a word within the dictionary, this attack will be successful (in the absence of other mitigations). This is a specific instance of the password brute forcing attack pattern.
Dictionary Attacks differ from similar attacks such as Password Spraying (CAPEC-565) and Credential Stuffing (CAPEC-600), since they leverage unknown username/password combinations and don't care about inducing account lockouts.
CAPEC-49: Password Brute Forcing
An adversary tries every possible value for a password until they succeed. A brute force attack, if feasible computationally, will always be successful because it will essentially go through all possible passwords given the alphabet used (lower case letters, upper case letters, numbers, symbols, etc.) and the maximum length of the password.
CAPEC-560: Use of Known Domain Credentials
An adversary guesses or obtains (i.e. steals or purchases) legitimate credentials (e.g. userID/password) to achieve authentication and to perform authorized actions under the guise of an authenticated user or service.
CAPEC-565: Password Spraying
In a Password Spraying attack, an adversary tries a small list (e.g. 3-5) of common or expected passwords, often matching the target's complexity policy, against a known list of user accounts to gain valid credentials. The adversary tries a particular password for each user account, before moving onto the next password in the list. This approach assists the adversary in remaining undetected by avoiding rapid or frequent account lockouts. The adversary may then reattempt the process with additional passwords, once enough time has passed to prevent inducing a lockout.
CAPEC-600: Credential Stuffing
An adversary tries known username/password combinations against different systems, applications, or services to gain additional authenticated access. Credential Stuffing attacks rely upon the fact that many users leverage the same username/password combination for multiple systems, applications, and services.
CAPEC-652: Use of Known Kerberos Credentials
An adversary obtains (i.e. steals or purchases) legitimate Kerberos credentials (e.g. Kerberos service account userID/password or Kerberos Tickets) with the goal of achieving authenticated access to additional systems, applications, or services within the domain.
CAPEC-653: Use of Known Operating System Credentials
An adversary guesses or obtains (i.e. steals or purchases) legitimate operating system credentials (e.g. userID/password) to achieve authentication and to perform authorized actions on the system, under the guise of an authenticated user or service. This applies to any Operating System.