CVE Vulnerability

CVE-2021-3694

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.

6.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.6 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References
Link Resource
https://huntr.dev/bounties/ef7f4cf7-3a81-4516-b261-f5b6ac21430c Third Party Advisory
https://ledgersmb.org/cve-2021-3694-cross-site-scripting Vendor Advisory
https://github.com/ledgersmb/ledgersmb/commit/98fa476d46a4a7e5e9492ed69b4fa190be5547fc Patch Third Party Advisory
https://www.debian.org/security/2021/dsa-4962 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:*
cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:*
cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:*
cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:*
cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:*
cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:*
cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:*
cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Information

Published : 2021-08-23 01:15

Updated : 2021-08-27 03:02

NVD link : CVE-2021-3694

Mitre link : CVE-2021-3694

Products Affected
No products.
CWE
CWE-79