id: CVE-2020-26214 info: name: Alerta Authentication Bypass author: CasperGN severity: critical description: | Alerta prior to version 8.1.0 is prone to Authentication Bypass when using LDAP as authorization provider and the LDAP server accepts Unauthenticated Bind requests. reference: | - https://github.com/advisories/GHSA-5hmm-x8q8-w5jh - https://tools.ietf.org/html/rfc4513#section-5.1.2 - https://pypi.org/project/alerta-server/8.1.0/ tags: cve,cve2020,alerta requests: - method: GET path: - '{{BaseURL}}/api/config' matchers-condition: and matchers: - type: status status: - 200 - type: regex regex: - 'name":\s*"Alerta ([0-7]\.[0-9]\.[0-9]|8\.0.[0-9])"' condition: or - type: regex regex: - 'provider":\s*"ldap"' condition: or extractors: - type: regex part: body name: alerta-version group: 1 regex: - 'name":\s*"Alerta ([0-7]\.[0-9]\.[0-9]|8\.0.[0-9])"'