Simple Single Sign On <= 4.1.1 - Insecure OAuth Implementation to Authentication Bypass

2022-06-04 00:00

István Márton

Strategic Overview

Status

Unpatched

Affected PluginSimple Single Sign On

Affected Version<= 4.1.1

CVSS8.1High

CVECVE-2022-2083

View all Simple Single Sign On vulnerabilities

Vulnerability Overview

The Simple Single Sign On plugin for WordPress is vulnerable to authorization bypass due to insecurely configured OAuth in versions up to, and including, 4.1.1 which allows attackers to retrieve client access_tokens that can be used to authenticate to a vulnerable site. This makes it possible unauthenticated attackers to gain unauthorized access to vulnerable web servers.

Technical Analysis

REMEDIATION: No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement. --- IDENTIFIER: CWE-288 (Authentication Bypass Using an Alternate Path or Channel) The product requires authentication, but the product has an alternate path or channel that does not require authentication.

External References

https://www.cve.org/CVERecord?id=CVE-2022-2083 https://www.wordfence.com/threat-intel/vulnerabilities/id/bb762cd0-1925-4161-bd12-9e781de60c9c

CVSS Vector

8.1

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Base

Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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