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Non-encrypted confidential information - S3 Server Side Encryption

Description​

Some S3 buckets do not explicitly enable the Server-Side-Encryption (SSE) property. So the stored objects are not encrypted at rest, exposing their content to leaks by attackers or unauthorized users.

Impact​

Compromise sensitive data stored in the bucket in plaintext.

Recommendation​

Enable the SSE property in all S3 instances.

Threat​

Authenticated attacker from Internet with access to the bucket.

Expected Remediation Time​

⌚ 15 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: L
  • User interaction: N
  • Scope: U
  • Confidentiality: H
  • Integrity: N
  • Availability: N

Temporal​

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

Result​

  • Vector string: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C
  • Score:
    • Base: 6.5
    • Temporal: 5.9
  • Severity:
    • Base: Medium
    • Temporal: Medium

Requirements​

Fixes​

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