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CVE-2009-4664

15
FAUCET Score

CVE-2009-4664 describes a local privilege escalation vulnerability affecting Firewall Builder versions 3.0.4, 3.0.5, and 3.0.6 running on Linux. The flaw allows local users to gain elevated privileges through a symlink attack targeting an unspecified temporary file created by the iptables script. With a CVSS score of 3.3, this vulnerability has a low attack complexity and requires local access, potentially leading to partial integrity and availability impacts. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.0.4CPE matchmatch criteria
cpe:2.3:a:fwbuilder:firewall_builder:3.0.4:*:*:*:*:*:*:*
3.0.5CPE matchmatch criteria
cpe:2.3:a:fwbuilder:firewall_builder:3.0.5:*:*:*:*:*:*:*
3.0.6CPE matchmatch criteria
cpe:2.3:a:fwbuilder:firewall_builder:3.0.6:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

3.3LOW

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
3.4
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.36%
Probability of exploitation in next 30 days
EPSS Percentile
28.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0036 is in the 61st percentile among its peer group of 747 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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

Vendor Advisories (1)

redhatCVE-2009-4664Moderate

fwbuilder: Insecure temporary file handling in the generated iptables script

Sep 18, 2009

References

blog.fwbuilder.org / 2009/09/firewall-builder-v307-released.html
Vendor Advisory
lists.fedoraproject.org / pipermail/package-announce/2010-February/035112.html
osvdb.org / 58247
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/36809
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/53392
fwbuilder.org / docs/firewall_builder_release_notes.html
securityfocus.com / bid/36468
vupen.com / english/advisories/2010/0389