jshERP through 3.6 contains a missing authorization vulnerability in the UserController updateUser handler that allows authenticated users to assign arbitrary roles to any user. Low-privilege attackers can send their own user id with the tenant administrator roleId to escalate privileges or rebind other tenant users' roles.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products 1
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Jishenghua Jsherp
cpe:2.3:a:jishenghua:jsherp:*:*:*:*:*:*:*:*
|
— |
<= 3.6
|
References 4
https://github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d…
Researcher Proof of Concept
https://github.com/jishenghua/jshERP/blob/8f28e7c2fe54d54de3621a414f5df1833dc5a…
Vulnerable Code (3.6)
https://github.com/jishenghua/jshERP/blob/8f28e7c2fe54d54de3621a414f5df1833dc5a…
Vulnerable Code (3.6)
https://www.vulncheck.com/advisories/jsherp-through-3.6-privilege-escalation-vi…
VulnCheck Advisory: jshERP through 3.6 Privilege Escalation via PUT /user/updateUser