Due to an improper configuration of the server (e.g., an FTP service with username: anonymous and password: guest or an SMTP open relay), it is possible to make anonymous connections to it and access otherwise protected resources.
Read and/or modify files within the service.
Configure the services to avoid services enumeration or to connect to these anonymously.
Anonymous attacker from adjacent network.
Expected Remediation Time
⌚ 30 minutes.
Default score using CVSS 3.1. It may change depending on the context of the vulnerability.
- Attack vector: A
- Attack complexity: L
- Privileges required: N
- User interaction: N
- Scope: U
- Confidentiality: L
- Integrity: L
- Availability: N
- Exploit code madurity: X
- Remediation level: O
- Report confidence: X
- Vector string: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:X/RL:O/RC:X
- Base: 5.4
- Temporal: 5.2
- Base: Medium
- Temporal: Medium
Correctly configure services to deny anonymous authentication
Non compliant code
A service is configured to allow anonymous authentication
- 142. Change system default credentials
- 264. Request authentication
- 265. Restrict access to critical processes
- 266. Disable insecure functionalities
- 319. Make authentication options equally secure
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