# CVE-2010-20109

## Summary

- **CVE ID:** CVE-2010-20109
- **Severity:** HIGH
- **CVSS Score:** 8.7 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N)
- **CWE:** CWE-22
- **Published:** Aug 21, 2025
- **Last Modified:** May 26, 2026

## Description

Barracuda products, confirmed in Spam & Virus Firewall, SSL VPN, and Web Application Firewall versions prior to October 2010, contain a path traversal vulnerability in the view_help.cgi endpoint. The locale parameter fails to properly sanitize user input, allowing attackers to inject traversal sequences and null-byte terminators to access arbitrary files on the underlying system. By exploiting this flaw, unauthenticated remote attackers can retrieve sensitive configuration files such as /mail/snapshot/config.snapshot, potentially exposing credentials, internal settings, and other critical data.

## Affected Products

- Barracuda Networks — Spam & Virus Firewall (*)
- Barracuda Networks — SSL VPN (*)
- Barracuda Networks — Web Application Firewall (*)
- Barracuda Networks — Spam & Virus Firewall (0)
- Barracuda Networks — SSL VPN (0)
- Barracuda Networks — Web Application Firewall (0)

## References

- [CNA](https://www.exploit-db.com/exploits/15130)
- [CNA](https://web.archive.org/web/20101004131244/http://secunia.com/advisories/41609/)
- [CNA](https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/auxiliary/scanner/http/barracuda_directory_traversal.rb)
- [CNA](https://www.vulncheck.com/advisories/barracuda-multiple-products-locale-path-traversal)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 51.19%
- **EPSS Percentile:** 97.8

---
_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._