cve-2025-52576
Vulnerability from cvelistv5
Published
2025-06-25 16:46
Modified
2025-06-25 17:55
Severity ?
EPSS score ?
Summary
Kanboard vulnerable to Username Enumeration via Login Behavior and Bruteforce Protection Bypass
References
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Prior to version 1.2.46, Kanboard is vulnerable to username enumeration and IP spoofing-based brute-force protection bypass. By analyzing login behavior and abusing trusted HTTP headers, an attacker can determine valid usernames and circumvent rate-limiting or blocking mechanisms. Any organization running a publicly accessible Kanboard instance is affected, especially if relying on IP-based protections like Fail2Ban or CAPTCHA for login rate-limiting. Attackers with access to the login page can exploit this flaw to enumerate valid usernames and bypass IP-based blocking mechanisms, putting all user accounts at higher risk of brute-force or credential stuffing attacks. Version 1.2.46 contains a patch for the issue." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-203", "description": "CWE-203: Observable Discrepancy", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2025-06-25T16:46:01.954Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M" }, "references": [ { "name": "https://github.com/kanboard/kanboard/security/advisories/GHSA-qw57-7cx6-wvp7", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/kanboard/kanboard/security/advisories/GHSA-qw57-7cx6-wvp7" }, { "name": "https://github.com/kanboard/kanboard/commit/3079623640dc39f9c7b0c840d2a79095331051f1", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/kanboard/kanboard/commit/3079623640dc39f9c7b0c840d2a79095331051f1" }, { "name": "https://github.com/kanboard/kanboard/blob/cbb7e60fb595ff4572bb8801b275a0b451c4bda0/app/Model/UserLockingModel.php#L101-L104", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/kanboard/kanboard/blob/cbb7e60fb595ff4572bb8801b275a0b451c4bda0/app/Model/UserLockingModel.php#L101-L104" }, { "name": "https://github.com/kanboard/kanboard/blob/cbb7e60fb595ff4572bb8801b275a0b451c4bda0/app/Subscriber/AuthSubscriber.php#L96-L108", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/kanboard/kanboard/blob/cbb7e60fb595ff4572bb8801b275a0b451c4bda0/app/Subscriber/AuthSubscriber.php#L96-L108" } ], "source": { "advisory": "GHSA-qw57-7cx6-wvp7", "discovery": "UNKNOWN" }, "title": "Kanboard vulnerable to Username Enumeration via Login Behavior and Bruteforce Protection Bypass" } }, "cveMetadata": { "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2025-52576", "datePublished": "2025-06-25T16:46:01.954Z", "dateReserved": "2025-06-18T03:55:52.037Z", "dateUpdated": "2025-06-25T17:55:05.784Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2025-52576\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2025-06-25T17:15:39.023\",\"lastModified\":\"2025-06-26T18:57:43.670\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Kanboard is project management software that focuses on the Kanban methodology. Prior to version 1.2.46, Kanboard is vulnerable to username enumeration and IP spoofing-based brute-force protection bypass. By analyzing login behavior and abusing trusted HTTP headers, an attacker can determine valid usernames and circumvent rate-limiting or blocking mechanisms. Any organization running a publicly accessible Kanboard instance is affected, especially if relying on IP-based protections like Fail2Ban or CAPTCHA for login rate-limiting. Attackers with access to the login page can exploit this flaw to enumerate valid usernames and bypass IP-based blocking mechanisms, putting all user accounts at higher risk of brute-force or credential stuffing attacks. Version 1.2.46 contains a patch for the issue.\"},{\"lang\":\"es\",\"value\":\"Kanboard es un software de gesti\u00f3n de proyectos centrado en la metodolog\u00eda Kanban. Antes de la versi\u00f3n 1.2.46, Kanboard era vulnerable a la enumeraci\u00f3n de nombres de usuario y a la elusi\u00f3n de la protecci\u00f3n por fuerza bruta basada en suplantaci\u00f3n de IP. Al analizar el comportamiento de inicio de sesi\u00f3n y abusar de los encabezados HTTP de confianza, un atacante puede determinar nombres de usuario v\u00e1lidos y eludir los mecanismos de limitaci\u00f3n o bloqueo. Cualquier organizaci\u00f3n que ejecute una instancia de Kanboard de acceso p\u00fablico se ve afectada, especialmente si utiliza protecciones basadas en IP como Fail2Ban o CAPTCHA para la limitaci\u00f3n de la tasa de inicio de sesi\u00f3n. Los atacantes con acceso a la p\u00e1gina de inicio de sesi\u00f3n pueden explotar esta vulnerabilidad para enumerar nombres de usuario v\u00e1lidos y eludir los mecanismos de bloqueo basados en IP, lo que aumenta el riesgo de ataques de fuerza bruta o robo de credenciales. La versi\u00f3n 1.2.46 incluye un parche para solucionar este problema.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-203\"}]}],\"references\":[{\"url\":\"https://github.com/kanboard/kanboard/blob/cbb7e60fb595ff4572bb8801b275a0b451c4bda0/app/Model/UserLockingModel.php#L101-L104\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/kanboard/kanboard/blob/cbb7e60fb595ff4572bb8801b275a0b451c4bda0/app/Subscriber/AuthSubscriber.php#L96-L108\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/kanboard/kanboard/commit/3079623640dc39f9c7b0c840d2a79095331051f1\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/kanboard/kanboard/security/advisories/GHSA-qw57-7cx6-wvp7\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/kanboard/kanboard/security/advisories/GHSA-qw57-7cx6-wvp7\",\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\"}]}}" } }
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.