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CVE-2009-0349

35
FAUCET Score

CVE-2009-0349 describes a stack-based buffer overflow vulnerability in FTPShell Server version 4.3. This flaw allows user-assisted remote attackers to trigger a denial of service (persistent daemon crash) and potentially execute arbitrary code by providing a specially crafted, long string within a licensing key (.key) file. With a CVSS score of 9.3, this vulnerability is critical, requiring medium attack complexity but no authentication, and can lead to complete compromise of confidentiality, integrity, and availability. While not listed in CISA's KEV catalog, a Proof-of-Concept exploit is publicly available on ExploitDB, though there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
4.3CPE matchmatch criteria
cpe:2.3:a:ftpshell:ftpshell_server:4.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.86%
Probability of exploitation in next 30 days
EPSS Percentile
92.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-7852 · Jan 22, 2009
This CVE's current EPSS score of 0.0586 is in the 65th percentile among its peer group of 8,914 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 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 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

osvdb.org / 51510
secunia.com / advisories/33597
Vendor Advisory
exploit-db.com / exploits/7852