1## autogenerated on 2026-01-07 15:07:56
2name: crowdsecurity/vpatch-CVE-2021-25281
3description: 'Detects SaltStack Salt API authentication bypass via wheel_async client in /run endpoint.'
4rules:
5  - and:
6      - zones:
7          - URI
8        transform:
9          - lowercase
10        match:
11          type: equals
12          value: /run
13      - zones:
14          - BODY_ARGS
15        variables:
16          - json.client
17        transform:
18          - lowercase
19        match:
20          type: equals
21          value: wheel_async
22
23labels:
24  type: exploit
25  service: http
26  confidence: 3
27  spoofable: 0
28  behavior: 'http:exploit'
29  label: "SaltStack Salt - Authentication Bypass"
30  classification:
31    - cve.CVE-2021-25281
32    - attack.T1190
33    - cwe.CWE-287
34