Authentication mechanism absence or evasion - Redirect

Description

An attacker can gain access to the application by knowing a valid username by changing the redirect with which the server responds.

Impact

- Bypass the authentication process by changing the page redirection and thus gain access to the applications functionality.
- Know a valid user.
- Change the redirect and access the application.

Recommendation

Put in place for every resource with business-critical functionality a strong authentication process and ensure that every user attempting to access it is logged in.

Threat

Anonymous attacker from the Internet.

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

Temporal

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

Result

Vector string: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:X/RL:X/RC:X
Score:

Base: 8.1
Temporal: 8.1

Severity:

Base: High
Temporal: High

Score 4.0

Default score using CVSS 4.0. It may change depending on the context of the src.

Base 4.0

Attack vector: A
Attack complexity: L
Attack Requirements: N
Privileges required: N
User interaction: N
Confidentiality (VC): H
Integrity (VI): H
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:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X
Score:

CVSS-BT: 8.6

Severity:

CVSS-BT: High

Requirements

Fixes

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