CVE-2010-20109

HIGH

Barracuda <October 2010 - Path Traversal

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2010-20109. PoCs published by ShadowHatesYou, including Metasploit module auxiliary/scanner/http/barracuda_directory_traversal.

AI-analyzed exploit summary This exploit leverages a directory traversal vulnerability in Barracuda Networks Spam & Virus Firewall to retrieve the configuration snapshot file, which contains sensitive information such as administrative passwords and internal networking details.

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.

Exploits (2)

exploitdb WORKING POC VERIFIED
by ShadowHatesYou · bashwebappscgi
https://www.exploit-db.com/exploits/15130

This exploit leverages a directory traversal vulnerability in Barracuda Networks Spam & Virus Firewall to retrieve the configuration snapshot file, which contains sensitive information such as administrative passwords and internal networking details.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: Barracuda Networks Spam & Virus Firewall <= 4.1.1.021
No auth needed
Prerequisites: Network access to the target device · The target device must be running a vulnerable version of Barracuda Networks Spam & Virus Firewall
devstral-2 · analyzed Feb 16, 2026 Full analysis →
metasploit WORKING POC
rubypoc
https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/scanner/http/barracuda_directory_traversal.rb

This Metasploit module exploits a directory traversal vulnerability in multiple Barracuda products by manipulating the 'locale' parameter to access arbitrary files. It attempts to retrieve the Barracuda configuration file by default.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: Barracuda Spam and Virus Firewall, Barracuda SSL VPN, Barracuda Web Application Firewall
No auth needed
Prerequisites: Network access to the target · Vulnerable Barracuda product with exposed CGI endpoint
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Scores

CVSS v4 8.7
EPSS 0.0109
EPSS Percentile 60.9%
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

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-22
Status published
Products (5)
Barracuda Networks/Spam & Virus Firewall < 4.1.1.021
Barracuda Networks/SSL VPN < 2010-10
Barracuda Networks/SSL VPN < prior to October 2010
Barracuda Networks/Web Application Firewall < 2010-10
Barracuda Networks/Web Application Firewall < prior to October 2010
Published Aug 21, 2025
Tracked Since Feb 18, 2026