CVE-2021-3693

critical
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

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.

References

https://ledgersmb.org/cve-2021-3693-cross-site-scripting

https://huntr.dev/bounties/daf1384d-648a-43fd-9b35-5c37d8ead667

https://www.debian.org/security/2021/dsa-4962

Details

Source: MITRE

Published: 2021-08-23

Updated: 2021-08-27

Type: CWE-79

Risk Information

CVSS v2

Base Score: 6.8

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 9.6

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Impact Score: 6

Exploitability Score: 2.8

Severity: CRITICAL

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:* versions from 1.5.0 to 1.5.30 (inclusive)

cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:* versions from 1.6.0 to 1.6.33 (inclusive)

cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:* versions from 1.7.0 to 1.7.32 (inclusive)

cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:* versions from 1.8.0 to 1.8.17 (inclusive)

Configuration 2

OR

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

Tenable Plugins

View all (2 total)

IDNameProductFamilySeverity
153851Ubuntu 20.04 LTS / 21.04 : LedgerSMB vulnerabilities (USN-5097-1)NessusUbuntu Local Security Checks
critical
152775Debian DSA-4962-1 : ledgersmb - security updateNessusDebian Local Security Checks
high