Description

Due a misconfiguration on services it is possible to upload files and install backdoors for later access, and leave them for public access.

Impact

- Leave a shell for public access.
- Get access to server files.
- Upload and erase resources.

Recommendation

Implement the secure configuration of the vulnerable service, allowing it to only be accessed by authorized users and execute continuous monitoring on resources and the server.

Threat

Unauthorized external attacker with a service that allow the upload of files.

Expected Remediation Time

⌚ 300 minutes.

Score

Default score using CVSS 3.1. It may change depending on the context of the src.

Base

• Attack vector: N
• Attack complexity: H
• Privileges required: N
• User interaction: N
• Scope: C
• Confidentiality: H
• Integrity: H
• Availability: L

Temporal

• Exploit code maturity: X
• Remediation level: X
• Report confidence: X

Result

• Vector string: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L/E:X/RL:X/RC:X
• Score:
• Base: 8.9
• Temporal: 8.9
• Severity:
• Base: High
• Temporal: High

Score 4.0

Default score using CVSS 4.0. It may change depending on the context of the src.

Base 4.0

• Attack vector: N
• Attack complexity: H
• Attack Requirements: N
• Privileges required: N
• User interaction: N
• Confidentiality (VC): H
• Integrity (VI): H
• Availability (VA): L
• Confidentiality (SC): L
• Integrity (SI): L
• Availability (SA): L

Threat 4.0

• Exploit maturity: X

Result 4.0

• Vector string: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:L/SI:L/SA:L/E:X
• Score:
• CVSS-BT: 9.2
• Severity:
• CVSS-BT: Critical

Requirements

• 158.Use a secure programming language

Fixes

• PHP

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