CVE-2021-3694

Publication date 23 August 2021

Last updated 17 July 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

8.2 · High

Score breakdown

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.

Status

Package Ubuntu Release Status
ledgersmb 25.04 plucky
Not affected
24.10 oracular
Not affected
24.04 LTS noble
Not affected
23.10 mantic Ignored end of life, was needs-triage
23.04 lunar Ignored end of life, was needs-triage
22.10 kinetic Ignored end of life, was needs-triage
22.04 LTS jammy
Not affected
21.10 impish Ignored end of life
21.04 hirsute
Fixed 1.6.9+ds-2ubuntu0.1
20.04 LTS focal
Fixed 1.6.9+ds-1ubuntu0.1
18.04 LTS bionic
Fixed 1.4.42+ds-1ubuntu0.1~esm1
16.04 LTS xenial
Not affected
14.04 LTS trusty Not in release

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Severity score breakdown

Parameter Value
Base score 8.2 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Changed
Confidentiality High
Integrity impact Low
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N

References

Related Ubuntu Security Notices (USN)

    • USN-5097-1
    • LedgerSMB vulnerabilities
    • 30 September 2021
    • USN-7647-1
    • LedgerSMB vulnerabilities
    • 17 July 2025

Other references