Insecure or unset HTTP headers - Referrer-Policy

Insecure or unset HTTP headers - Referrer-Policy

Description

The server is missing the Referrer-Policy HTTP header. Alternatively, the headers configuration is unsafe.

Impact

Leak website domain and path to external services.

Recommendation

Set the Referrer-Policy header to no-referrer, same-origin, strict-origin, or strict-origin-when-cross-origin in the server responses.

Threat

Unauthorized attacker from the Internet.

Expected Remediation Time

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

Temporal

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

Result

  • Vector string: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
  • Score:
    • Base: 2.0
    • Temporal: 1.8
  • 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: N
  • Attack complexity: H
  • Attack Requirements: N
  • Privileges required: H
  • User interaction: P
  • Confidentiality (VC): L
  • Integrity (VI): N
  • Availability (VA): N
  • 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:H/AT:N/PR:H/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
  • Score:
    • CVSS-BT: 1.1
  • Severity:
    • CVSS-BT: Low

Requirements

Fixes

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