CVE-2021-3694
9.6
CRITICAL
CVSS 3.1
EPSS 2.4%
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.
How to fix CVE-2021-3694
To remediate CVE-2021-3694, upgrade the affected package to a fixed version below.
- Debian/ledgersmb—upgrade to 1.6.9+ds-2+deb11u2 or later
Is CVE-2021-3694 being exploited?
Low — EPSS is 2.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.6.9+ds-2+deb11u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H |