CVE-2021-3731
Publication date 23 August 2021
Last updated 17 July 2025
Ubuntu priority
Cvss 3 Severity Score
Description
LedgerSMB does not sufficiently guard against being wrapped by other sites, making it vulnerable to 'clickjacking'. This allows an attacker to trick a targetted user to execute unintended actions.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| ledgersmb | 25.04 plucky |
Not affected
|
| 24.04 LTS noble |
Not affected
|
|
| 22.04 LTS jammy |
Not affected
|
|
| 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 |
Fixed 1.3.46-1ubuntu0.1~esm1
|
|
| 14.04 LTS trusty | Not in release |
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| Parameter | Value |
|---|---|
| Base score |
|
| Attack vector | Network |
| Attack complexity | High |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | Low |
| Availability impact | None |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/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