id: CVE-2020-26214
info:
name: Alerta < 8.1.0 - Authentication Bypass
author: CasperGN,daffainfo
severity: critical
description: Alerta prior to version 8.1.0 is prone to authentication bypass when using LDAP as an 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/
- https://nvd.nist.gov/vuln/detail/CVE-2020-26214
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
cvss-score: 9.8
cve-id: CVE-2020-26214
cwe-id: CWE-287
cpe: cpe:2.3:a:alerta_project:alerta:*:*:*:*:*:*:*:*
epss-score: 0.01307
tags: cve,cve2020,alerta,auth-bypass
metadata:
max-request: 1
http:
- method: GET
path:
- '{{BaseURL}}/api/config'
matchers-condition: and
matchers:
- type: word
part: body
words:
- '"alarm_model"'
- '"actions"'
- '"severity"'
condition: and
- type: dsl
dsl:
- compare_versions(version, '< 8.1.0')
- type: status
status:
- 200
extractors:
- type: regex
name: version
internal: true
group: 1
regex:
- '"name": "Alerta ([0-9.]+)"'
