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
- 134.Store passwords with salt
- 135.Passwords with random salt
- 185.Encrypt sensitive information
- 227.Display access notification
- 229.Request access credentials
- 264.Request authentication
- 300.Mask sensitive data
Fixes
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