Attacker Value
Moderate
(1 user assessed)
Exploitability
Moderate
(1 user assessed)
User Interaction
None
Privileges Required
Low
Attack Vector
Network
1

CVE-2020-25557

Disclosure Date: November 13, 2020
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Initial Access
Techniques
Validation
Validated

Description

In CMSuno 1.6.2, an attacker can inject malicious PHP code as a “username” while changing his/her username & password. After that, when attacker logs in to the application, attacker’s code will be run. As a result of this vulnerability, authenticated user can run command on the server.

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1
Ratings
  • Attacker Value
    Medium
  • Exploitability
    Medium
Technical Analysis

Be careful it actually modifies the code of the application.

CVSS V3 Severity and Metrics
Base Score:
8.8 High
Impact Score:
5.9
Exploitability Score:
2.8
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Vendors

  • cmsuno project

Products

  • cmsuno 1.6.2

Additional Info

Technical Analysis