CVE-2021-3694

Published: 23 August 2021

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.

Priority

Cvss 3 Severity Score

9.6

Score breakdown

Status

Package	Release	Status
ledgersmb Launchpad, Ubuntu, Debian	bionic	Needs triage
	focal	Released (1.6.9+ds-1ubuntu0.1)
	hirsute	Released (1.6.9+ds-2ubuntu0.1)
	impish	Ignored (reached end-of-life)
	jammy	Needs triage
	kinetic	Needs triage
	trusty	Does not exist
	upstream	Needs triage
	xenial	Needs triage

Severity score breakdown

Parameter	Value
Base score	9.6
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Changed
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

References

Join the discussion

Canonical is offering Expanded Security Maintenance

Canonical is offering Ubuntu Expanded Security Maintenance (ESM) for security fixes and essential packages.

Find out more about ESM ›