CVE-2010-20109 json
Barracuda Spam & Virus Firewall "locale" Path Traversal
published 2025-08-21 14 mo ago modified 2026-06-16 4 mo ago also EUVD-2010-5318
- cvss
- 8.7
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.7%
- EPSS 1.7% chance of exploitation in 30 days, percentile 77%
- public exploits
- 1
- Metasploit
Summary
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.
Timeline
- First public exploit (Metasploit auxiliary/scanner/http/barracuda_directory_traversal)
- Published
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 14 mo ago
Exploit prediction
1.68% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- Metasploit auxiliary/scanner/http/barracuda_directory_traversal Barracuda Multiple Product "locale" Directory Traversal metasploit auxiliary, normal rank, 2010-10-08
- exploit-db.com https://www.exploit-db.com/exploits/15130 referenced PoC, tagged "exploit" by a source, unverified
- raw.githubusercontent.com https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/auxiliary/scanner/http/barracuda_directory_traversal.rb referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 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 |
| CNA | 4.0 | 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- Barracuda Networks Spam & Virus Firewall
- Barracuda Networks SSL VPN
- Barracuda Networks Web Application Firewall
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
exploit-db.com
/exploits/15130
exploit
-
raw.githubusercontent.com
/rapid7/metasploit-framework/master/modules/auxiliary/scanner/http/barracuda_directory_traversal.rb
exploit
-
web.archive.org
/web/20101004131244/http://secunia.com/advisories/41609/
third-party-advisory
-
vulncheck.com
/advisories/barracuda-multiple-products-locale-path-traversal
third-party-advisory
Sources
- CVE List CVE-2010-20109
- NVD CVE-2010-20109
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.