jshERP through 3.6 contains a mass assignment vulnerability in the UserController update handler that allows authenticated users to overwrite protected fields including tenant_id and password. Attackers can send a crafted PUT /user/update body to switch into another tenant on next login or overwrite other users' password hashes for account takeover.
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-mass-assignment-via-put…
VulnCheck Advisory: jshERP through 3.6 Mass Assignment via PUT /user/update