PT-2021-21414 · Ledgersmb+2 · Ledgersmb+2

Ehuon + 1 · Published 2021-08-23 · Updated 2025-07-17 · CVE-2021-3694

Positive Technologies (AI Summary)

CVSS v3.1

9.6

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions LedgerSMB (affected versions not specified)

Description The issue arises from insufficient HTML-encoding of error messages sent to the browser. This can be exploited by sending a specially crafted URL to an authenticated user, potentially leading to remote code execution and information disclosure.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-3694

DSA-4962-1

DSA-4962-2

USN-5097-1

USN-7647-1

Affected Products

Ledgersmb

Linuxmint

Ubuntu

References · 22

• https://github.com/ledgersmb/ledgersmb/commit/98fa476d46a4a7e5e9492ed69b4fa190be5547fc · Patch
• https://ubuntu.com/security/CVE-2021-3882 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-5097-1 · Vendor Advisory
• https://ledgersmb.org/cve-2021-3694-cross-site-scripting · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-3694 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-3694 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-3694 · Security Note
• https://ubuntu.com/security/CVE-2021-3731 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-4962-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-7647-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-7647-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-5097-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-3694 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-4962-2 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-3694 · Vendor Advisory