CVE-2021-3694 — Cross-site Scripting in Ledgersmb

CWE-79 — Cross-site Scripting8 documents5 sources
Severity
9.6CRITICALNVD
EPSS
0.3%
top 51.47%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Ledgersmb LedgersmbLedgersmbDebian Ledgersmb+1 more
Timeline
PublishedAug 23
Latest updateJul 17

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HExploitability: 2.8 | Impact: 6.0

Affected Packages5 packages

▶debiandebian/ledgersmb< ledgersmb 1.6.9+ds-2.1 (bookworm)
▶CVEListV5ledgersmb/ledgersmb_ledgersmbunspecified — 1.8.18
▶Debianledgersmb/ledgersmb< 1.6.9+ds-2+deb11u2+1
▶Ubuntuledgersmb/ledgersmb< 1.6.9+ds-1ubuntu0.1+5
▶NVDledgersmb/ledgersmb1.1.0 — 1.1.12+7

Also affects: Debian Linux 10.0, 11.0

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

4
OSV
ledgersmb vulnerabilities↗2025-07-17
▶
GHSA
GHSA-5wc4-gq9m-293h: LedgerSMB does not sufficiently HTML-encode error messages sent to the browser↗2022-05-24
▶
OSV
ledgersmb vulnerabilities↗2021-09-30
▶
OSV
CVE-2021-3694: LedgerSMB does not sufficiently HTML-encode error messages sent to the browser↗2021-08-23
▶

📋Vendor Advisories

3
Ubuntu
LedgerSMB vulnerabilities↗2025-07-17
▶
Ubuntu
LedgerSMB vulnerabilities↗2021-09-30
▶
Debian
CVE-2021-3694: ledgersmb - LedgerSMB does not sufficiently HTML-encode error messages sent to the browser. ...↗2021
▶