Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-3694

Severity CVSS v4.0:
Pending analysis
Type:
CWE-79 Cross-Site Scripting (XSS)
Publication date:
23/08/2021
Last modified:
27/08/2021

Description

LedgerSMB does not sufficiently HTML-encode error messages sent to the browser. By sending a specially crafted URL to an authenticated user, this flaw can be abused for remote code execution and information disclosure.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.60 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Changed
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
9.60
Severity 3.x
CRITICAL
Vector 2.0
AV:N/AC:M/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 6.80 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
6.80
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:* 1.1.0 (including) 1.1.12 (including)
cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:* 1.2.0 (including) 1.2.26 (including)
cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:* 1.3.0 (including) 1.3.47 (including)
cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:* 1.4.0 (including) 1.4.42 (including)
cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:* 1.5.0 (including) 1.5.30 (including)
cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:* 1.6.0 (including) 1.6.33 (including)
cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:* 1.7.0 (including) 1.7.32 (including)
cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:* 1.8.0 (including) 1.8.17 (including)
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools