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.

CVSS v3.0 9.6 CRITICAL
CVSS v2.0 6.8 MEDIUM

9.6^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 2.8 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

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

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Configurations

Configuration 1 (hide)

OR	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::::::::

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:10.0:::::::*
	cpe:2.3:o:debian:debian_linux:11.0:::::::*

Information

Published : 2021-08-23 06:15

Updated : 2021-08-27 08:02

NVD link : CVE-2021-3694

Mitre link : CVE-2021-3694

JSON object : View

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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Products Affected

debian

debian_linux

ledgersmb

ledgersmb

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