CVE-2020-29071

Severity CVSS v4.0:

Pending analysis

Type:

CWE-79 Cross-Site Scripting (XSS)

Publication date:

25/11/2020

Last modified:

02/12/2020

Description

An XSS issue was found in the Shares feature of LiquidFiles before 3.3.19. The issue arises from the insecure rendering of HTML files uploaded to the platform as attachments, when the -htmlview URL is directly accessed. The impact ranges from executing commands as root on the server to retrieving sensitive information about encrypted e-mails, depending on the permissions of the target user.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.00 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope (S): Changed
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

9.00

Severity 3.x

CRITICAL

Vector 2.0

AV:N/AC:M/Au:S/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 8.50 HIGH
Vector: AV:N/AC:M/Au:S/C:C/I:C/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): Single
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete