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CVE-2011-3991

27
FAUCET Score

CVE-2011-3991 is an untrusted search path vulnerability affecting FFFTP versions 1.98a and earlier, which could allow local users to execute arbitrary code. With a CVSS score of 9.3, this vulnerability is considered critical due to its network-based attack vector, medium attack complexity, and complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.98CPE matchmatch criteria
cpe:2.3:a:ffftp:ffftp:*:a:*:*:*:*:*:*
1.98CPE matchmatch criteria
cpe:2.3:a:ffftp:ffftp:1.98:*:*:*:*:*:*:*

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
2.34%
Probability of exploitation in next 30 days
EPSS Percentile
81.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0234 is in the 39th percentile among its peer group of 8,914 CVEs.

Social Chatter

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

jvndb.jvn.jp / ja/contents/2011/JVNDB-2011-000091.html
jvn.jp / en/jp/JVN62336482/index.html
secunia.com / advisories/46649
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/71020
sourceforge.jp / projects/ffftp/wiki/Security
securityfocus.com / bid/50412