Description

The JWT session token is sent by the URL, which allows it to be cached by the browsing history, allowing attackers with local access to the machine to obtain it without any problem.

Impact

Obtain the users session.

Recommendation

Use secure mechanisms to send sensitive information between sites so that it cannot be stolen by malicious actors.

Threat

Unauthorized attacker with local access to the machine.

Expected Remediation Time

⌚ 60 minutes.

Score

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

Base

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

Temporal

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

Result

• Vector string: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:X/RL:X/RC:X
• Score:
• Base: 3.3
• Temporal: 3.3
• 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: L
• Attack Requirements: N
• Privileges required: N
• User interaction: A
• 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:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X
• Score:
• CVSS-BT: 4.6
• Severity:
• CVSS-BT: Medium

Requirements

• 032.Avoid session ID leakages
• 181.Transmit data using secure protocols

Fixes

• Java
• Elixir
• C-Sharp
• Go
• Ruby
• Dart
• Scala
• Python
• TypeScript

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