PT-2021-21413 · Ledgersmb+2 · Ledgersmb+2

Ehuon + 1 · Published 2021-08-23 · Updated 2025-07-17 · CVE-2021-3693

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 is related to LedgerSMB not checking the origin of HTML fragments merged into the browser's DOM. 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-2021-3693

DSA-4962-1

DSA-4962-2

USN-5097-1

USN-7647-1

Affected Products

Ledgersmb

Linuxmint

Ubuntu

References · 21

• https://ubuntu.com/security/CVE-2021-3882 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-5097-1 · Vendor Advisory
• https://ledgersmb.org/cve-2021-3693-cross-site-scripting · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-3693 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-3693 · Security Note
• https://ubuntu.com/security/CVE-2021-3694 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-3731 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-3693 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-4962-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-7647-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-3693 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-7647-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-5097-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-3693 · Security Note
• https://osv.dev/vulnerability/DSA-4962-2 · Vendor Advisory