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ViewState not encrypted

Description​

The state information of application forms that is stored in the ViewState is not encrypted.

Impact​

Leak app state information through the ViewState value.

Recommendation​

Encrypt the ViewState in the application configuration.

Threat​

Anonymous attacker with local access to the victims browser.

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

Temporal​

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

Result​

  • Vector string: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C
  • Score:
    • Base: 2.9
    • Temporal: 2.8
  • 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: L
  • Attack complexity: H
  • Attack Requirements: N
  • Privileges required: N
  • User interaction: N
  • Confidentiality (VC): L
  • Integrity (VI): N
  • Availability (VA): N
  • Confidentiality (SC): N
  • Integrity (SI): N
  • Availability (SA): N

Threat 4.0​

  • Exploit maturity: X

Result 4.0​

  • Vector string: CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X
  • Score:
    • CVSS-BT: 2.1
  • Severity:
    • CVSS-BT: Low

Requirements​

Fixes​

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