CVE-2021-3693 Information

Description

LedgerSMB does not check the origin of HTML fragments merged into the browser’s DOM. By sending a specially crafted URL to an authenticated user this flaw can be abused for remote code execution and information disclosure.

CVSS Vector

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

Reference

https://ledgersmb.org/cve-2021-3693-cross-site-scripting https://huntr.dev/bounties/daf1384d-648a-43fd-9b35-5c37d8ead667 https://www.debian.org/security/2021/dsa-4962

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.6