WIMOOR through commit ec86736 contains an authentication bypass vulnerability that allows attackers to impersonate any tenant and privilege level by sending an unsigned X-USERINFO header. Attackers reaching backend service ports directly, bypassing the gateway, can forge companyid and manager or admin usertype values to read and modify other tenants' orders, finance data, and Amazon seller authorizations.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
References 3
https://github.com/wimoor-erp/wimoor/blob/ec86736beb1a3b9ca6ba0d1c48a1c415445b8…
disclosure@vulncheck.com
https://hackmd.io/@hieuPenguinnn/wimoor-trusted-x-userinfo-header-tenant-bypass
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/wimoor-through-commit-ec86736-authenticati…
disclosure@vulncheck.com