CVE-2021-3693
ledgersmb - security update
9.6
CRITICAL
CVSS 3.1
EPSS 3.0%
Description
LedgerSMB does not check the origin of HTML fragments merged into the browser's DOM. 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-2021-3693
To remediate CVE-2021-3693, upgrade the affected package to a fixed version below.
- Debian/ledgersmb—upgrade to 1.6.9+ds-2+deb11u2 or later
- —upgrade to 1.6.9+ds-1+deb10u2 or later
Is CVE-2021-3693 being exploited?
Low — EPSS is 3.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.6.9+ds-2+deb11u2
- from 0, < 1.6.9+ds-1+deb10u2
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 |