CVE-2006-4000

4.0 MEDIUM 6% exploit odds No fix listed Disclosure Network gear

What it is

Directory traversal vulnerability in cgi-bin/preview_email.cgi in Barracuda Spam Firewall (BSF) 3.3.01.001 through 3.3.03.053 allows remote authenticated users to read arbitrary files via a .. (dot dot) in the file parameter.

At a glance

Exploitability: Can be exploited over the network with a login. Limited direct impact.
Exploit odds: 5.8% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2006-08-05 01:04 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 22:28 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 5.8% in the next 30 days (EPSS).
Severity: 4.0 MEDIUM (CVSS).
Fix: none linked yet, which raises it.

Details

Published: 2006-08-05 01:04 UTC
Last modified: 2026-06-16 22:28 UTC
Exploit probability: 5.8% · EPSS, next 30 days
Record status: Modified

Affected

Barracuda Networks Barracuda Spam Firewall 3.3.01.001
Barracuda Networks Barracuda Spam Firewall 3.3.03.053
Barracuda Networks Barracuda Spam Firewall 3.3.03.055

Attack profile CVSS 2.0 · 4.0

Attack vector: Network
Complexity: Low
Authentication: Single
Confidentiality: Partial
Integrity: None
Availability: None

Raw vector

AV:N/AC:L/Au:S/C:P/I:N/A:N

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2006-4000.md and follow it. Check whether this project is affected by CVE-2006-4000. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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References

NVD record · CVE.org record