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Unrestricted access between network segments - AWS

Description

The infrastructure definition for network segments in the AWS context is too permissive.

Impact

  • Expose resources, processes and sensitive information that could be compromised.
  • Accept incoming or outcoming connections that should be restricted by design

Recommendation

Limit network segments, ports, IP addresses, network protocols, and administrative services only to the required users.

Threat

Anonymous attacker from Internet.

Expected Remediation Time

⌚ 120 minutes.

Score

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

Base

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

Temporal

  • Exploit code madurity: P
  • Remediation level: U
  • Report confidence: C

Result

  • Vector string: CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:U/RC:C
  • Score:
    • Base: 2.6
    • Temporal: 2.5
  • Severity:
    • Base: Low
    • Temporal: Low

Score 4.0

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

Base 4.0

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

Threat 4.0

  • Exploit madurity: P

Result 4.0

  • Vector string: CVSS:4.0/AV:A/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
  • Score:
    • CVSS-BT: 1.2
  • Severity:
    • CVSS-BT: Low

Requirements

Fixes

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