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CVE-2006-4000

22
FAUCET Score

CVE-2006-4000 describes a directory traversal vulnerability in the cgi-bin/preview_email.cgi component of Barracuda Spam Firewall (BSF) versions 3.3.01.001 through 3.3.03.053. This flaw allows remote authenticated users to read arbitrary files by manipulating the 'file' parameter with directory traversal sequences. The vulnerability has a CVSS score of 4.0 (Medium), indicating a network-based attack with low complexity, requiring authentication, and primarily impacting confidentiality. While not listed in CISA's KEV catalog, an exploit is publicly available on ExploitDB, though there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
3.3.01.001CPE matchmatch criteria
cpe:2.3:h:barracuda_networks:barracuda_spam_firewall:3.3.01.001:*:*:*:*:*:*:*
3.3.03.053CPE matchmatch criteria
cpe:2.3:h:barracuda_networks:barracuda_spam_firewall:3.3.03.053:*:*:*:*:*:*:*
3.3.03.055CPE matchmatch criteria
cpe:2.3:h:barracuda_networks:barracuda_spam_firewall:3.3.03.055:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.0MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.73%
Probability of exploitation in next 30 days
EPSS Percentile
92.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-28321 · Aug 1, 2006
This CVE's current EPSS score of 0.0573 is in the 98th percentile among its peer group of 21,974 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

secunia.com / advisories/21258
exchange.xforce.ibmcloud.com / vulnerabilities/28214
securityfocus.com / archive/1/441861/100/0/threaded
securityfocus.com / bid/19276
Exploit
vupen.com / english/advisories/2006/3104