CVE-2021-25956 Improper User Access Control in "Dolibarr" Leads to Account Takeover

2021-08-1714:15:54

CWE-284

Mend

www.cve.org

dolibarr

user access control

account takeover

CVSS3

4.7

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

EPSS

0.001

Percentile

42.8%

JSON

In “Dolibarr” application, v3.3.beta1_20121221 to v13.0.2 have “Modify” access for admin level users to change other user’s details but fails to validate already existing “Login” name, while renaming the user “Login”. This leads to complete account takeover of the victim user. This happens since the password gets overwritten for the victim user having a similar login name.

CNA Affected

[
  {
    "product": "dolibarr",
    "vendor": "Dolibarr",
    "versions": [
      {
        "lessThan": "*",
        "status": "affected",
        "version": "3.3.beta1_20121221",
        "versionType": "custom"
      }
    ]
  }
]