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CVE-2006-6563

28
FAUCET Score

CVE-2006-6563 describes a stack-based buffer overflow in the mod_ctrls module of ProFTPD versions prior to 1.3.1rc1. This vulnerability allows authenticated local users to execute arbitrary code by providing an excessively large length value to the pr_ctrls_recv_request function. With a CVSS score of 6.6, this vulnerability is moderately severe, requiring local access and medium attack complexity, but potentially leading to full compromise of confidentiality, integrity, and availability. While not listed in CISA's KEV catalog, multiple Proof-of-Concept exploits are available on ExploitDB, indicating public knowledge of exploitation methods. Despite exploit availability, there is no evidence of active exploitation, and the CVE has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
1.3.0CPE matchmatch criteria
cpe:2.3:a:proftpd_project:proftpd:1.3.0:*:*:*:*:*:*:*
1.3.0aCPE matchmatch criteria
cpe:2.3:a:proftpd_project:proftpd:1.3.0a:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.6MEDIUM

AV:L/AC:M/Au:S/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
SINGLE
Exploitability Score
2.7
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.31%
Probability of exploitation in next 30 days
EPSS Percentile
81.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-3333 · Feb 19, 2007
This CVE's current EPSS score of 0.0232 is in the 96th percentile among its peer group of 1,297 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.4 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/23371
ExploitPatchVendor Advisory
secunia.com / advisories/23392
secunia.com / advisories/23473
secunia.com / advisories/24163
security.gentoo.org / glsa/glsa-200702-02.xml
exchange.xforce.ibmcloud.com / vulnerabilities/30906
exploit-db.com / exploits/3330
coresecurity.com
ExploitPatch
mandriva.com / security/advisories
openpkg.com / security/advisories/OpenPKG-SA-2006.039.html
proftpd.org / docs/NEWS-1.3.1rc1
securityfocus.com / archive/1/454320/100/0/threaded
securityfocus.com / archive/1/460648/100/0/threaded
securityfocus.com / archive/1/460756/100/0/threaded
securityfocus.com / bid/21587
ExploitPatch
trustix.org / errata/2006/0074
vupen.com / english/advisories/2006/4998