CVE-2021-3694
8.2 HIGHLedgerSMB does not sufficiently HTML-encode error messages sent to the browser
Published: 2021-08-23 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 8.2 HIGH
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
- CWE
- CWE-79
Affected products
| Vendor | Product |
|---|---|
| debian | debian_linux, ledgersmb |
| ledgersmb | debian_linux, ledgersmb |
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.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-3694
- [Patch]https://github.com/ledgersmb/ledgersmb/commit/98fa476d46a4a7e5e9492ed69b4fa190be5547fc
- [Other]https://huntr.dev/bounties/ef7f4cf7-3a81-4516-b261-f5b6ac21430c
- [Vendor advisory]https://ledgersmb.org/cve-2021-3694-cross-site-scripting
- [Other]https://www.debian.org/security/2021/dsa-4962
- [Patch]https://github.com/ledgersmb/ledgersmb/commit/98fa476d46a4a7e5e9492ed69b4fa190be5547fc
- [Other]https://huntr.dev/bounties/ef7f4cf7-3a81-4516-b261-f5b6ac21430c
- [Vendor advisory]https://ledgersmb.org/cve-2021-3694-cross-site-scripting
- [Other]https://www.debian.org/security/2021/dsa-4962
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