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Insecure service configuration - EC2

Description​

Some EC2 instances have insecure configurations that an attacker can use to access or interrupt critical application processes

Impact​

Compromise the security of one or several EC2 Instances

Recommendation​

Perform a hardening process over all the EC2 instances, by following the recommended best practices

Threat​

Internet attacker with access to the AWS console.

Expected Remediation Time​

⌚ 45 minutes.

Score​

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

Base​

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

Temporal​

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

Result​

  • Vector string: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:X
  • Score:
    • Base: 4.9
    • Temporal: 4.4
  • Severity:
    • Base: Medium
    • Temporal: Medium

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

Threat 4.0​

  • Exploit maturity: P

Result 4.0​

  • Vector string: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P
  • Score:
    • CVSS-BT: 5.5
  • Severity:
    • CVSS-BT: Medium

Requirements​

Fixes​

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