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Insecure or unset HTTP headers - X-Permitted-Cross-Domain-Policies

Description#

The application lacks the X-Permitted-Cross-Domain-Policies header or sets the header in a insecure value

Impact#

Allow harmful requests from Adobe Flash or PDF documents

Recommendation#

Unless the application requires Adobe products, set the X-Permitted-Cross-Domain-Policies to none in the server responses.

Threat#

Unauthorized attacker from the Internet.

Score#

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

Base#

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

Temporal#

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

Result#

  • Vector string: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:R
  • Score:
    • Base: 3.7
    • Temporal: 3.2
  • Severity:
    • Base: Low
    • Temporal: Low

Requirements#