CVE-2021-29621 Observable Response Discrepancy in Flask-AppBuilder

2021-06-0719:00:12

CWE-203

GitHub_M

www.cve.org

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

0.007 Low

EPSS

Percentile

80.8%

JSON

Flask-AppBuilder is a development framework, built on top of Flask. User enumeration in database authentication in Flask-AppBuilder <= 3.2.3. Allows for a non authenticated user to enumerate existing accounts by timing the response time from the server when you are logging in. Upgrade to version 3.3.0 or higher to resolve.

CNA Affected

[
  {
    "product": "Flask-AppBuilder",
    "vendor": "dpgaspar",
    "versions": [
      {
        "status": "affected",
        "version": "< 3.3.0"
      }
    ]
  }
]