CVE-2021-3693 is a critical cross-site scripting (XSS) vulnerability affecting LedgerSMB, specifically Debian Linux distributions running LedgerSMB. This flaw allows an attacker to achieve remote code execution and information disclosure by sending a specially crafted URL to an authenticated user, as LedgerSMB fails to validate the origin of HTML fragments merged into the browser's DOM. With a CVSS score of 9.6 (Critical), it presents a high-impact threat requiring user interaction for exploitation. While there is no evidence of active exploitation, public exploit code, or KEV listing, the vulnerability has garnered some community discussion and media coverage, indicating awareness within the cybersecurity landscape.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 1.5.0, <= 1.5.30CPE matchmatch criteria | cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:* | ||
>= 1.6.0, <= 1.6.33CPE matchmatch criteria | cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:* | ||
>= 1.7.0, <= 1.7.32CPE matchmatch criteria | cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:* | ||
>= 1.8.0, <= 1.8.17CPE matchmatch criteria | cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.8 Bluesky, 0.5 Mastodon, and 1.2 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.
Remediation records are not available for this CVE.